Thuc hien phep tinh :
a, 126 + (-20) + |124| -(-320) - |-150|
Thuc hien phep tinh
10-[120:3-2(132-117);2]
163-126:{150:3-320:[250-(120+15.6)
nhanh 9 tick giup ik mk can gap
\(10-\left[120:3-2\left(132-117\right):2\right]\)
\(=10-\left[120:3-2.15:2\right]\)
\(=10-\left[40-30:2\right]\)
\(=10-\left[40-15\right]\)
\(=10-25\)
\(=-15\)
\(163-136:\left\{150:3-320:\left[250-\left(120+15.6\right)\right]\right\}\)
\(163-126:\left\{150:3-320:\left[250-\left(120+90\right)\right]\right\}\)
\(163-126:\left\{150:3-320:\left[250-210\right]\right\}\)
\(163-126:\left\{150:3-320:40\right\}\)
\(163-126:\left\{50-8\right\}\)
\(163-126:42\)
\(163-3\)
\(160\)
hok tốt
340-(200+40)
150:(20+5)
thuc hien phep tinh nha
\(340-\left(200+40\right)\)
\(=340-200-40\)
\(=300-200\)
\(=100\)
\(150:\left(20+5\right)\)
\(=150:25\)
\(=6\)
\(340-\left(200+40\right)\)
\(=340-240\)
\(=580\)
\(150:\left(25+5\right)\)
\(=150:30\)
\(=50\)
340 - (200 + 40) = 340 - 240 = 100
150 : (20 + 5) = 150 : 25 = 6
126 + (-20) + |124| - (-320) - |-150|
\(126+(-20)+|124|-(-320)-|-150|\\=126-20+124+320+125\\=(320-20)+124+125+126\\=300+375\\=675\)
thuc hien phep tinh:
\(\sqrt{3}.\sqrt{\frac{1}{27}}.\sqrt{5}.\sqrt{20}\)
\(\sqrt{3}.\sqrt{\frac{1}{27}}.\sqrt{5}.\sqrt{20}=\sqrt{3.\frac{1}{27}}.\sqrt{5.20}=\sqrt{\frac{1}{9}}.\sqrt{100}=\frac{1}{3}.10=\frac{10}{3}\)
126+(-20)+|124|-(-320)-|-150|
ko vt lại đề
mà cái này bấm máy tính là ra.........
\(126+\left(-20\right)+|124|-\left(-320\right)-|-150|\)
\(=126-20+124+320-150\)
\(=400\)
126 + ( - 20 ) + | 124 | - ( - 320 ) - | - 150 |
= 126 + ( - 20 ) + 124 - ( - 320 ) - 150
= ( 126 + ( - 20 ) ) + 124 - ( - 320 ) - 150
= 106 + 124 - ( - 320 ) - 150
=( 106 + 124 ) - ( - 320 ) -150
= 230 - ( - 320 ) - 150
= ( 230 - ( - 320 ) ) -150
= 550 - 150
= 400
\(=100+124+320-150\)
\(=224+320-150\)
\(=544-150\)
\(=394\)
126 + (-20) + /124/ - (-320) - /-150/
=126 + (-20) + 124 - (-320) - 15
= 106 + 124 - (-320) - 15
= 230 - (-320) -15
= 230 + 320 - 15
= 550 - 15
= 535
126+(-20)+|124|-(-320)-|-150|
Giúp minh nhanh nhé
126+(-20)+|124|-(-320)-|-150|
=126+(-20)+124-(-320)-150
=400
thuc hien phep tinh
73 . 35 + 27 . 19 - 20 . 73 + 81 . 27 + 85 . 73
73 . 35 + 27 . 19 - 20 . 73 + 81 . 27 + 85 . 73
= 73 . ( 35 - 20 + 85 ) + 27. ( 19 + 81 )
= 73 . 100 + 27. 100
= ( 73 + 27 ) . 100
= 100 . 100
= 10 000
73. 35+ 27.19- 20. 73+ 81. 27+ 85. 73
= 73.(35+ 85 - 20) + 27.(19+81)
=73.100 +27.100
=100.(27+73)
=100.100
=10000
Tick mìn nha