16+83+84+7=(16+84)+(83+7)=100+100=200
chúc bạn học tốt !
16 + 83 + 84 + 7
= ( 16 + 84 ) + ( 83 + 7 )
= 100 + 90
= 190
học tốt nha
Kết quả của biểu thức 16 + 83 + 84 + 7 là:
Kết quả của biểu thức |
Tinh nhanh:11+12+13+14+15+16+17+18+19+89+88+87+86+85+84+83+83+82
Thực hiện phép tính :
16 + (-17) + 18 (-19) + ... + 82 + (-83) + 84
Tìm x biết :
x + ( 1 + 4 + 7 + ... + 100 ) = 1993
đặt dấu ngoặc vào biểu thức : 7*9+12/3-2 có kết quả lần luợt là 2,3,4,5
Câu 17: Viết kết quả phép tính sau dưới dạng một luỹ thừa: 87: 8 là:
A. 86 B. 85 C. 84 D. 83
Câu 18: Cho biều thức M = 75 + 120 + x. Giá trị nào của x dưới đây thì M ⋮ 3
A.x = 7 B.x= 5 C.x =4 D.x =12
Câu 19: Tổng nào sau đây chia hết cho 7 ?
A.49 + 70 B.14 + 51 C.7 + 134 D.10+16
Câu 20: Số tự nhiên m chia cho 45 dư 20 có dạng là:
A. 45 + 20k B. 45k – 20 C. 45 – 20k D. 45k + 20
Câu 21: Điền chữ số vào dấu * để chia hết cho 3:
A. {0; 3; 6}. B.{1; 3; 6; 9}. C.{3; 6; 9}. D.{0; 6; 9}.
x+14/86+x+15/85+x+16/84+x+17/83=-4
Kết quả của phép tính 92 + (11- 7)2 : 8.2 là:
A. 85 B. 82 C. 81 D. 84
Kết quả của biểu thức X = 241 + 768 + (-634) + 29 là:
%3C%2Fmo%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmsup%3E%3C%2Fmrow%3E%3C%2Fmfenced%3E%3C%2Fmrow%3E%3C%2Fmfenced%3E%3Cmo%3E%3A%3C%2Fmo%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmath%3E--%3E%3Cdefs%3E%3Cstyle%20type%3D%22text%2Fcss%22%3E%40font-face%7Bfont-family%3A'math19cde898983ffaf7a564ca9d195'%3Bsrc%3Aurl(data%3Afont%2Ftruetype%3Bcharset%3Dutf-8%3Bbase64%2CAAEAAAAMAIAAAwBAT1MvMi7iBBMAAADMAAAATmNtYXDEvmKUAAABHAAAADxjdnQgDVUNBwAAAVgAAAA6Z2x5ZoPi2VsAAAGUAAAAuGhlYWQQC2qxAAACTAAAADZoaGVhCGsXSAAAAoQAAAAkaG10eE2rRkcAAAKoAAAADGxvY2EAHTwYAAACtAAAABBtYXhwBT0FPgAAAsQAAAAgbmFtZaBxlY4AAALkAAABn3Bvc3QB9wD6AAAEhAAAACBwcmVwa1uragAABKQAAAAUAAADSwGQAAUAAAQABAAAAAAABAAEAAAAAAAAAQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAgICAAAAAg1UADev96AAAD6ACWAAAAAAACAAEAAQAAABQAAwABAAAAFAAEACgAAAAGAAQAAQACAC4iEv%2F%2FAAAALiIS%2F%2F%2F%2F093wAAEAAAAAAAAAAAFUAywAgAEAAFYAKgJYAh4BDgEsAiwAWgGAAoAAoADUAIAAAAAAAAAAKwBVAIAAqwDVAQABKwAHAAAAAgBVAAADAAOrAAMABwAAMxEhESUhESFVAqv9qwIA%2FgADq%2FxVVQMAAAEAIAAAAKAAgAADAC8YAbAEELAD1LADELAC1LADELAAPLACELABPACwBBCwA9SwAxCwAjywABCwATwwMTczFSMggICAgAABAIABVQLVAasAAwAwGAGwBBCxAAP2sAM8sQIH9bABPLEFA%2BYAsQAAExCxAAblsQABExCwATyxAwX1sAI8EyEVIYACVf2rAatWAAEAAAABAADVeM5BXw889QADBAD%2F%2F%2F%2F%2F1joTc%2F%2F%2F%2F%2F%2FWOhNzAAD%2FIASAA6sAAAAKAAIAAQAAAAAAAQAAA%2Bj%2FagAAF3AAAP%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%2BgAAAAAAAAAAAAAAAAAAAAAAAAAAuQcRAACNhRgAsgAAABUUE7EAAT8%3D)format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%40font-face%7Bfont-family%3A'brack_sm4e06b854ad106cdec1d8cc9'%3Bsrc%3Aurl(data%3Afont%2Ftruetype%3Bcharset%3Dutf-8%3Bbase64%2CAAEAAAAMAIAAAwBAT1MvMi7PH4UAAADMAAAATmNtYXA3kjw6AAABHAAAAFxjdnQgAQYDiAAAAXgAAAASZ2x5ZkyYQ7YAAAGMAAABqmhlYWQLyR8fAAADOAAAADZoaGVhAq0XCAAAA3AAAAAkaG10eDEjA%2FUAAAOUAAAAHGxvY2EAAEKZAAADsAAAACBtYXhwBJsEcQAAA9AAAAAgbmFtZW7QvZAAAAPwAAAB5XBvc3QArQBVAAAF2AAAACBwcmVwu5WEAAAABfgAAAAHAAACDAGQAAUAAAQABAAAAAAABAAEAAAAAAAAAQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAgICAAAAAg9AMD%2FP%2F8AAABVAABAAAAAAACAAEAAQAAABQAAwABAAAAFAAEAEgAAAAOAAgAAgAGI6EjoiOjI6QjpSOm%2F%2F8AACOhI6IjoyOkI6Ujpv%2F%2F3GDcYNxg3GDcYNxgAAEAAAAAAAAAAAAAAAAAAAAAAVQAVAEAACsAjACAAKgABwAAAAIAAAAAANUBAQADAAcAADEzESMXIzUz1dWrgIABAdarAAEAAAAAAQABVAAFACkYAbAGELAA1LAAELAF1LAFELAD1ACwBhCwANSwABCwA9SwAxCwAdQwMTERIRUjFQEAqwFUVf8AAQAAAAAAVQFUAAMAIRgBsAEvsQcCPDyxAwL1sAA8ALEDAD%2BwAjx8sQAG9bABPBEzESNVVQFU%2FqwAAQAAAAABAAFUAAUAKRgBsAYQsADUsAAQsAXUsAUQsAPUALAGELAA1LAAELAD1LADELAB1DAxGQEhNSM1AQCrAVT%2BrFX%2FAAEAAAAAAQABVAAFACkYAbAGELAB1LABELAA1LAAELAE1ACwBhCwAdSwARCwBNSwBBCwAtQwMTsBESEVM6tV%2FwCrAVRVAAEAqgAAAQABVAADACEYAbABL7EHAjw8sQMC9bAAPACxAwA%2FsAI8fLEABvWwATwTMxEjqlZWAVT%2BrAABAAAAAAEAAVQABQApGAGwBhCwAdSwARCwANSwABCwBNQAsAYQsAHUsAEQsATUsAQQsALUMDETMxEhNTOrVf8AqwFU%2FqxVAAAAAQAAAAEAAIsesexfDzz1AAMEAP%2F%2F%2F%2F%2FVre5k%2F%2F%2F%2F%2F9Wt7mT%2FgP%2F%2FAdYBWAAAAAoAAgABAAAAAAABAAABVP%2F%2FAAAXcP%2BA%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%2FwACjYUA)format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%40font-face%7Bfont-family%3A'round_brackets18549f92a457f2409'%3Bsrc%3Aurl(data%3Afont%2Ftruetype%3Bcharset%3Dutf-8%3Bbase64%2CAAEAAAAMAIAAAwBAT1MvMjwHLFQAAADMAAAATmNtYXDf7xCrAAABHAAAADxjdnQgBAkDLgAAAVgAAAASZ2x5ZmAOz2cAAAFsAAABJGhlYWQOKih8AAACkAAAADZoaGVhCvgVwgAAAsgAAAAkaG10eCA6AAIAAALsAAAADGxvY2EAAARLAAAC%2BAAAABBtYXhwBIgEWQAAAwgAAAAgbmFtZXHR30MAAAMoAAACOXBvc3QDogHPAAAFZAAAACBwcmVwupWEAAAABYQAAAAHAAAGcgGQAAUAAAgACAAAAAAACAAIAAAAAAAAAQIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAgICAAAAAo8AMGe%2F57AAAHPgGyAAAAAAACAAEAAQAAABQAAwABAAAAFAAEACgAAAAGAAQAAQACACgAKf%2F%2FAAAAKAAp%2F%2F%2F%2F2f%2FZAAEAAAAAAAAAAAFUAFYBAAAsAKgDgAAyAAcAAAACAAAAKgDVA1UAAwAHAAA1MxEjEyMRM9XVq4CAKgMr%2FQAC1QABAAD%2B0AIgBtAACQBNGAGwChCwA9SwAxCwAtSwChCwBdSwBRCwANSwAxCwBzywAhCwCDwAsAoQsAPUsAMQsAfUsAoQsAXUsAoQsADUsAMQsAI8sAcQsAg8MTAREAEzABEQASMAAZCQ%2FnABkJD%2BcALQ%2FZD%2BcAGQAnACcAGQ%2FnAAAQAA%2FtACIAbQAAkATRgBsAoQsAPUsAMQsALUsAoQsAXUsAUQsADUsAMQsAc8sAIQsAg8ALAKELAD1LADELAH1LAKELAF1LAKELAA1LADELACPLAHELAIPDEwARABIwAREAEzAAIg%2FnCQAZD%2BcJABkALQ%2FZD%2BcAGQAnACcAGQ%2FnAAAQAAAAEAAPW2NYFfDzz1AAMIAP%2F%2F%2F%2F%2FVre7u%2F%2F%2F%2F%2F9Wt7u4AAP7QA7cG0AAAAAoAAgABAAAAAAABAAAHPv5OAAAXcAAA%2F%2F4DtwABAAAAAAAAAAAAAAAAAAAAAwDVAAACIAAAAiAAAAAAAAAAAAAkAAAAowAAASQAAQAAAAMACgACAAAAAAACAIAEAAAAAAAEAABNAAAAAAAAABUBAgAAAAAAAAABAD4AAAAAAAAAAAACAA4APgAAAAAAAAADAFwATAAAAAAAAAAEAD4AqAAAAAAAAAAFABYA5gAAAAAAAAAGAB8A%2FAAAAAAAAAAIABwBGwABAAAAAAABAD4AAAABAAAAAAACAA4APgABAAAAAAADAFwATAABAAAAAAAEAD4AqAABAAAAAAAFABYA5gABAAAAAAAGAB8A%2FAABAAAAAAAIABwBGwADAAEECQABAD4AAAADAAEECQACAA4APgADAAEECQADAFwATAADAAEECQAEAD4AqAADAAEECQAFABYA5gADAAEECQAGAB8A%2FAADAAEECQAIABwBGwBSAG8AdQBuAGQAIABiAHIAYQBjAGsAZQB0AHMAIAB3AGkAdABoACAAYQBzAGMAZQBuAHQAIAAxADgANQA0AFIAZQBnAHUAbABhAHIATQBhAHQAaABzACAARgBvAHIAIABNAG8AcgBlACAAUgBvAHUAbgBkACAAYgByAGEAYwBrAGUAdABzACAAdwBpAHQAaAAgAGEAcwBjAGUAbgB0ACAAMQA4ADUANABSAG8AdQBuAGQAIABiAHIAYQBjAGsAZQB0AHMAIAB3AGkAdABoACAAYQBzAGMAZQBuAHQAIAAxADgANQA0AFYAZQByAHMAaQBvAG4AIAAyAC4AMFJvdW5kX2JyYWNrZXRzX3dpdGhfYXNjZW50XzE4NTQATQBhAHQAaABzACAARgBvAHIAIABNAG8AcgBlAAAAAAMAAAAAAAADnwHPAAAAAAAAAAAAAAAAAAAAAAAAAAC5B%2F8AAY2FAA%3D%3D)format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2212.5%22%20y%3D%2216%22%3E106%3C%2Ftext%3E%3Ctext%20font-family%3D%22math19cde898983ffaf7a564ca9d195%22%20font-size%3D%2214%22%20text-anchor%3D%22middle%22%20x%3D%2231.5%22%20y%3D%2216%22%3E%26%23x2212%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22brack_sm4e06b854ad106cdec1d8cc9%22%20font-size%3D%2216%22%20text-anchor%3D%22start%22%20x%3D%2239.5%22%20y%3D%225%22%3E%26%23x23A1%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22brack_sm4e06b854ad106cdec1d8cc9%22%20font-size%3D%2216%22%20text-anchor%3D%22start%22%20x%3D%2239.5%22%20y%3D%2210%22%3E%26%23x23A2%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22brack_sm4e06b854ad106cdec1d8cc9%22%20font-size%3D%2216%22%20text-anchor%3D%22start%22%20x%3D%2239.5%22%20y%3D%2215%22%3E%26%23x23A2%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22brack_sm4e06b854ad106cdec1d8cc9%22%20font-size%3D%2216%22%20text-anchor%3D%22start%22%20x%3D%2239.5%22%20y%3D%2220%22%3E%26%23x23A3%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22brack_sm4e06b854ad106cdec1d8cc9%22%20font-size%3D%2216%22%20text-anchor%3D%22start%22%20x%3D%22153.5%22%20y%3D%225%22%3E%26%23x23A4%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22brack_sm4e06b854ad106cdec1d8cc9%22%20font-size%3D%2216%22%20text-anchor%3D%22start%22%20x%3D%22153.5%22%20y%3D%2210%22%3E%26%23x23A5%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22brack_sm4e06b854ad106cdec1d8cc9%22%20font-size%3D%2216%22%20text-anchor%3D%22start%22%20x%3D%22153.5%22%20y%3D%2215%22%3E%26%23x23A5%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22brack_sm4e06b854ad106cdec1d8cc9%22%20font-size%3D%2216%22%20text-anchor%3D%22start%22%20x%3D%22153.5%22%20y%3D%2220%22%3E%26%23x23A6%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2252.5%22%20y%3D%2216%22%3E24%3C%2Ftext%3E%3Ctext%20font-family%3D%22math19cde898983ffaf7a564ca9d195%22%20font-size%3D%2214%22%20text-anchor%3D%22middle%22%20x%3D%2267.5%22%20y%3D%2216%22%3E%26%23x2212%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22round_brackets18549f92a457f2409%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2277.5%22%20y%3D%2216%22%3E(%3C%2Ftext%3E%3Ctext%20font-family%3D%22round_brackets18549f92a457f2409%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%22149.5%22%20y%3D%2216%22%3E)%3C%2Ftext%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2283.5%22%20y%3D%2216%22%3E6%3C%2Ftext%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2290.5%22%20y%3D%2211%22%3E2%3C%2Ftext%3E%3Ctext%20font-family%3D%22math19cde898983ffaf7a564ca9d195%22%20font-size%3D%2214%22%20text-anchor%3D%22middle%22%20x%3D%22100.5%22%20y%3D%2216%22%3E%26%23x2212%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%22115.5%22%20y%3D%2216%22%3E12%3C%2Ftext%3E%3Ctext%20font-family%3D%22math19cde898983ffaf7a564ca9d195%22%20font-size%3D%2214%22%20text-anchor%3D%22middle%22%20x%3D%22125.5%22%20y%3D%2216%22%3E.%3C%2Ftext%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%22132.5%22%20y%3D%2216%22%3E3%3C%2Ftext%3E%3Ctext%20font-family%3D%22round_brackets18549f92a457f2409%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%22138.5%22%20y%3D%2216%22%3E)%3C%2Ftext%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%22144.5%22%20y%3D%2211%22%3E3%3C%2Ftext%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%22160.5%22%20y%3D%2216%22%3E%3A%3C%2Ftext%3E%3Ctext%20font-family%3D%22Times%20New%20Roman%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%22167.5%22%20y%3D%2216%22%3E3%3C%2Ftext%3E%3C%2Fsvg%3E)
là:
