8799 * 98 - 8799 * 56 -8799 * 58
Những câu hỏi liên quan
56+98*0+89*7*98*52*58+245
98+56+254+4589+595+54+58+558+56+585=......
98+56+254+4589+595+54+58+558+56+585=6845
nha 
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98+56+254+4589+595+54+58+558+56+585=6903
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50. √(98-16√3)
51. √(2-√3)
52. √(4+√15)
53. √(5-√21)
54. √(6-√35)
55. √(2+√3)
56. √(4-√15)
57. √(8-√55)
58. √(7+√33)
59. √(6+√35)
60. √(7-3√5)
50) \(\sqrt{98-16\sqrt{3}}=4\sqrt{6}-\sqrt{2}\)
51) \(\sqrt{2-\sqrt{3}}=\dfrac{\sqrt{4-2\sqrt{3}}}{\sqrt{2}}=\dfrac{\sqrt{3}-1}{\sqrt{2}}=\dfrac{\sqrt{6}-\sqrt{2}}{2}\)
52) \(\sqrt{4+\sqrt{15}}=\dfrac{\sqrt{8+2\sqrt{15}}}{\sqrt{2}}=\dfrac{\sqrt{5}+\sqrt{3}}{\sqrt{2}}=\dfrac{\sqrt{10}+\sqrt{6}}{2}\)
53) \(\sqrt{5-\sqrt{21}}=\dfrac{\sqrt{10-2\sqrt{21}}}{\sqrt{2}}=\dfrac{\sqrt{14}-\sqrt{6}}{2}\)
54) \(\sqrt{6-\sqrt{35}}=\dfrac{\sqrt{12-2\sqrt{35}}}{\sqrt{2}}=\dfrac{\sqrt{14}-\sqrt{10}}{2}\)
55) \(\sqrt{2+\sqrt{3}}=\dfrac{\sqrt{4+2\sqrt{3}}}{\sqrt{2}}=\dfrac{\sqrt{6}+\sqrt{2}}{2}\)
56) \(\sqrt{4-\sqrt{15}}=\dfrac{\sqrt{8-2\sqrt{15}}}{\sqrt{2}}=\dfrac{\sqrt{10}-\sqrt{6}}{2}\)
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hy?mik hỏi nềk ? cs ai bt eff hôn eff hộ mềnh nka , gửi anhr shau! code oc : ||||uwuHARU_ko|white||vn|||200|39|72|5|11|9|1|0|1|0|1|1|95|98|20|0|0|72|72|1|1|58|58|53|0|57|92|88|0|7|7|56|6|6|0|86|86|22|22|82|82|77|77|55|95|0|0|34|34|35|1|80|0|0|0|21|21|0|0|1|1|0|2|2|2|6|0|11|11|1|7|1|17|6|1|1|1|1|1|1|0|0|0|6|0|5|1|0|1|1|1|1|0|0|0|0|0|0|-1|8|12|-6|0|-1|8|12|6|-4|0|18|10|0|4|0|18|10|0|1|12|11|14|-3|-1|12|11|14|3|12|-3|11|18|0|4|-8|5|12|21|4|4|4|19|0|3|70|17|17|324|0|-4|3|19|0|-8|8|1|15|0|-4|-10|2|...
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hy?mik hỏi nềk ? cs ai bt eff hôn eff hộ mềnh nka , gửi anhr shau! code oc : ||||uwuHARU_ko|white||vn|||200|39|72|5|11|9|1|0|1|0|1|1|95|98|20|0|0|72|72|1|1|58|58|53|0|57|92|88|0|7|7|56|6|6|0|86|86|22|22|82|82|77|77|55|95|0|0|34|34|35|1|80|0|0|0|21|21|0|0|1|1|0|2|2|2|6|0|11|11|1|7|1|17|6|1|1|1|1|1|1|0|0|0|6|0|5|1|0|1|1|1|1|0|0|0|0|0|0|-1|8|12|-6|0|-1|8|12|6|-4|0|18|10|0|4|0|18|10|0|1|12|11|14|-3|-1|12|11|14|3|12|-3|11|18|0|4|-8|5|12|21|4|4|4|19|0|3|70|17|17|324|0|-4|3|19|0|-8|8|1|15|0|-4|-10|2|12|0|-50|34|12|12|18|-16|-12|9|12|0|0|-2|1|12|0|-7|-9|4|12|0|1|15|3|20|16|0|0|2|16|12|342|1|3|1|3|3|4|6|6|1|1|21|1|357|1|1|0|0|1|1|0|1|1|1|1|1|1|1|1|1|1|1|1|1|1|1|1|1|327|-219|0|1|1|11|1|0|0|18|20|3|10|84|20|18|180|2|2|0|-10|0|0|0|0|0|1|1|1|0|0|-2|-10|14|44|0|0|0|0|FFF3E7|D00447|EEC07A|874C12|EEC07A|EEC07A|874C12|EEC07A|EEC07A|874C12|EEC07A|EEC07A|874C12|EEC07A|BB9178|8A624F|BB9178|24214D|FFFFFF|A19E78|A19E78|27170F|A19E78|A19E78|27170F|FFFFFF|FFFFFF|FFFFFF|FFFFFF|4F513A|4F513A|4F513A|4F513A|191919|020202|ECECEC|191919|020202|191919|FF3F3F|020202|FF3F3F|FFDEC4|FFDEC4|FFDEC4|FF3F3F|020202|FFFFFF|FFFFFF|FF8383|A30337|FFFFFF|71AA6D|3B5838|71AA6D|B4BFCD|2F3848|B4BFCD|FFFFFF|AA657F|FFFFFF|191919|FFFFFF|DBB0B0|FFFFFF|CB8DA8|FFDBEF|FFFFFF|020202|191919|8AAEFF|00132C|FFFFFF|8AAEFF|00132C|8AAEFF|8AAEFF|00132C|8AAEFF|FFFFFF|8C4A4A|FFFFFF|FFFFFF|ECECEC|FFFFFF|191919|020202|191919|191919|020202|191919|FFFFFF|00232C|FFFFFF|191919|020202|191919|FFFFFF|646D7B|FFFFFF|FFFFFF|646D7B|FFFFFF|FFFFFF|00132C|8AAEFF|FFFFFF|00132C|8AAEFF|7B7B7B|020202|2F3848|7B7B7B|020202|2F3848|D00447|720226|FFFFFF|8AAEFF|00132C|8AAEFF|8AAEFF|00132C|FFFFFF|FFFFFF|020202|A487FF|FFFFFF|020202|A487FF|AAA7CB|08016D|AAA7CB|333333|191919|FFFFFF|FF3F3F|020202|FFFFFF|FF3F3F|020202|191919|8589FF|020202|FFFFFF|8589FF|020202|FFFFFF|191919|020202|B4BFCD|FFFFFF|93A1B1|FFFFFF|020202|8C4A4A|020202|FFFFFF|020202|FFFFFF|020202|CB8989|FFFFFF|CB8989|020202|020202
Tính nhanh
56 x 58 + 58 x 43 + 58
= 56 x 58 + 58 x 43 + 58+1
=58x[56 +43+1]
= 58 x100=
5800
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56 x 58 + 58 x 43 + 58
= 56 x 58 + 58 x 43 + 58 x 1
= ( 56 + 43 + 1 ) x 58
= 100 x 58
= 5800
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56 x 58 + 58 x 43 + 58
= 58 x ( 56 + 43 + 1 )
= 58 x 100
=5800
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Cho M=(1267-196)-(267+304) và N=36-(98+56-71)+(98+56). Chọn câu đúng
A. M>N
B. N>M
C. M=N
D. N=−M
5.22.23-4.(58:56)
`@` `\text {Ans}`
`\downarrow`
`5.2^2.2^3 - 4(5^8 \div 5^6)`
`= 5.2^5 - 4. 5^2`
`= 5.(2^5 - 4.5)`
`= 5. (2^5 - 20)`
`= 5. 12 = 60`
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5.22. 23 -4.(58: 56)
7,25 x (X + 56 ) = 58
7,25 x (X + 56 ) = 58
x + 56 = 58 : 7,25
x + 56 = 8
x = 8 - 56
x = -48
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