1: \(347\cdot2^2-2^2\cdot\left(216+184\right):8\)

\(=347\cdot4-4\cdot400:8\)

\(=347\cdot4-4\cdot50=4\cdot\left(347-50\right)=4\cdot297=1188\)

2: \(132-\left\lbrack116-\left(132-128\right)^2\right\rbrack\)

\(=132-\left\lbrack116-4^2\right\rbrack\)

=132-(116-16)

=132-100

=32

3: \(16:\left\lbrace400:\left\lbrack200-\left(37+46\cdot3\right)\right\rbrack\right\rbrace\)

=16:{400:[200-(37+138)]}

=16:{400:[200-175]}

=16:{400:25}

=16:16

=1

4: \(\left\lbrace184:\left\lbrack96-124:31\right\rbrack-2\right\rbrace\cdot3651\)

\(=\left\lbrace\frac{184}{96-4}-2\right\rbrace\cdot3651\)

=(184:92-2)*3651

=0

5: \(46-\left\lbrack\left(16+71\cdot4\right):15\right\rbrack-2\)

=46-[(16+284):15]-2

=46-300:15-2

=46-20-2

=46-22

=24

6: \(3^3\cdot18+72\cdot4^2-41\cdot18\)

\(=18\left(3^3-41\right)+72\cdot16\)

\(=18\cdot\left(27-41\right)+18\cdot64\)

=18(-14+64)

=18*50

=900

7: \(\left(56\cdot46-25\cdot23\right):23\)

\(=56\cdot\frac{46}{23}-25\)

=112-25

=87

8: \(\left(28\cdot54+56\cdot36\right):21:2\)

\(=18\cdot28\left(3+2\cdot2\right):42\)

\(=18\cdot\frac{28}{42}\cdot7=18\cdot\frac23\cdot7=12\cdot7=84\)

9: \(\left(76\cdot34-19\cdot64\right):\left(38\cdot9\right)\)

\(=\frac{19\cdot\left(4\cdot34-64\right)}{38\cdot9}=\frac{4\cdot34-64}{9\cdot2}=\frac{4\cdot\left(34-16\right)}{18}=4\)

10: \(\left(2+4+6+\cdots+100\right)\cdot\left(36\cdot333-108\cdot111\right)\)

\(=\left(2+4+6+\cdots+100\right)\cdot36\cdot111\left(3-3\right)\)

=0

11: \(\left(5\cdot4^{11}-3\cdot16^5\right):4^{10}\)

\(=\left(5\cdot4^{11}-3\cdot4^{10}\right):4^{10}\)

\(=5\cdot\frac{4^{11}}{4^{10}}-3\cdot\frac{4^{10}}{4^{10}}\)

=20-3

=17

12: \(\frac{7256\cdot4375-725}{3650+4375\cdot7255}=\frac{7255\cdot4375+4375-725}{7255\cdot4375+3650}\)

\(=\frac{7255\cdot4375+3650}{7255\cdot4375+3650}\)

=1

   1134 - { [ ( 216 + 184 ) : 8 ] . 13 }

= 1134 - { [ 400 : 8 ] .13 }

= 1134 - { 50 . 13 }

= 1134 - 650

= 484

k nha

=1134-(50.13)

=1134-650

=484

k cho mik nha

muốn giải nhanh thì bấm máy tính đi

B =2

đúng cho tớ 

 400-400:8.6

=400-50.6

=400-300

=100

a) Ta có: \(347\cdot2^2-2^2\left(216+184\right):8\)

\(=347\cdot4-4\cdot400:8\)

\(=1388-200=1188\)

B = 1434:{[(216+184:8).3]}

B = 1434:{[239.3]}

B = 1434 : 717

B = 2

\(B=1434:\left\{\left[\left(216+184:8\right).3\right]\right\}\)

\(B=1434:\left\{\left[216+23\right].3\right\}\)

\(B=1434:\left(239.3\right)\)

\(B=1434:717\)

\(B=2\)

(Tíck cho mình với nhá!)

a, \(24:\left\{300:\left[375-\left(150+15.5\right)\right]\right\}\)

\(=24:\left\{300:\left[375-\left(150+325\right)\right]\right\}\)

\(=24:\left\{300:\left[375-225\right]\right\}\)

\(=24:\left\{300:150\right\}\)

\(=24:2=12\)

b, \(1449:\left[\left(216+184\right):8\right].9\)

\(=1449:\left[400:8\right].9\)

\(=1449:50.9\)

\(=28,98.9=260,82\)

c, \(222+224+......+444\)

\(=\dfrac{\left[\left(444-222\right):2+1\right]\left(444+222\right)}{2}\)

\(=37264\)

d, \(127.36+64.127-127.100\)

\(=127\left(36+64-100\right)\)

\(=127.0=0\)

24:\(\left\{300:\left[375-\left(150+15.5\right)\right]\right\}\)

=24:\(\left\{300:\left[375-15.\left(10-5\right)\right]\right\}\)

=24:\(\left\{300:\left[15.25-15.5\right]\right\}\)

=24:\(\left\{300:\left[15.\left(25-5\right)\right]\right\}\)

=24:\(\left\{300:\left[15.20\right]\right\}\)

=24:\(\left\{300:300\right\}\)

=24:1=24