Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
a) A= ( 5016+912).37:13:74
A= 5928.37:13:74
A=219336:13:74
A=16872:7
A=228
b) B=[687.3+687.7]:(338+1036)
B=687.(3+7):1374
B=687.10:1374
B=6870:1374
B=5
\(27.332+93.43+57.61+69.57\\ =27.332+93.43+57.\left(61+69\right)\\ =27.332+93.43+57.130\\ =8964+3999+7410=20373\\ 34.75+75.66-65.100\\ =\left(34+66\right).75-65.100\\ =100.75-65.100\\ =100.\left(75-65\right)\\ =100.10=1000\\ \left(456.11+912\right).37:13:74\\ =5928:13:\left(74:37\right)\\ =456:2=228\\ 6^2:4.3+2.5^2\\ =36:4.3+2.25\\ =9.3+50=27+50=77\\ 5.4^2-18:3^2\\ =5.16-18:9\\ =80-2=78\\\left[\left(315+372\right).3+\left(372+315\right).7\right]:\left(26.13+74.14\right)\\ =687.\left(3+7\right):\left(338+1036\right)\\ 687.10:1374\\ =6870:1374=5\\ 12:\left\{390:\left[500-\left(125+35.7\right)\right]\right\}\\ =12:\left[390:\left(500-370\right)\right]\\ =12:\left(390:130\right)=12:3=4\\ 192000-\left(1500.2+1800.3+1800.2:3\right)\\ =192000-\left(3000+5400+1200\right)\\ =192000-9600=182400\)
=(5016+912). 37 : 13 : 74
=5928.37 : 13 : 74
=219336 : 13 : 74
=16872:74
=2410
(456.11+912).37:13:74
= (456.11+912):13:(74:37)
= (456.11+456.2):13:2
= 456.(11+2):13:2
= 456.13:13:2
= (456:2).(13:13)
= 228.1
= 228
( 456 x 11 + 912 ) x 37 : 13 : 74
= ( 5016 + 912 ) x 37 : 13 : 74
= 5928 x 37 : 13 : 74
= 219336 : 13 : 74
= 16872 : 74
= 228
( 315 + 372 ) x 3 + ( 372 + 315 ) x 7 ] : ( 26 x 13 + 74 x 14 )
= [ 687 x 3 + 687 x 7 ] : ( 338 + 1036 )
= [ 687 x ( 3 + 7 ) ] : 1374
= 6870 : 1374
= 5
Mỏi tay quá k mình với ?????
\(11\div\left\{\frac{7}{8}-3\cdot\left[0,25\div\left(1\frac{1}{3}+2\cdot\frac{1}{3}\right)\right]\right\}\)
\(=11\div\left\{\frac{7}{8}-3\cdot\left[\frac{1}{4}\div\left(\frac{4}{3}+2\cdot\frac{1}{3}\right)\right]\right\}\)
\(=11\div\left\{\frac{7}{8}-3\cdot\left[\frac{1}{4}\div\left(\frac{4}{3}+\frac{2}{3}\right)\right]\right\}\)
\(=11\div\left\{\frac{7}{8}-3\cdot\left[\frac{1}{4}\div2\right]\right\}\)
\(=11\div\left\{\frac{7}{8}-3\cdot\frac{1}{8}\right\}\)
\(=11\div\left\{\frac{7}{8}-\frac{3}{8}\right\}\)
\(=11\div\frac{1}{2}\)
\(=22\)
b) 101*789 + 456*128 - 789 + 912*436
= 789*100 + 456*128 + 912*436
= 789*100 + 912*64 + 912*436
= 789*100 + 912*500
= 100*(789 + 912*5)
= 100*5349
= 534900
a ) [ 168 .168 - 168 . 58 ] : 110
= [ 168 . ( 168 - 58 ) ] : 110
= 168 . 110 : 110
= 168 .1
= 168
13 - 12 + 11 + 10 - 9 + 8 - 7 - 6 + 5 - 4 + 3 + 2 - 1
= 1 + 11 - 1 + 1 + 11 - 7 + 1
= 12 - 1 + 1 + 11 - 7 + 1
= 11 + 1 + 11 - 7 + 1
= 12 + 11 - 7 + 1
= 23 - 7 + 1
= 16 + 1
=17
( 456 .11+912 ) :13 :74=( 5016+912 ) :13 :74=5928:13:74=456:74=6,162