a) 22 . 31 - ( 12012 + 20120 ) . |-2|
b) { 47 . [ 736 . ( 5-3)4]} . 203
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\(a,=4\cdot3-\left(1+1\right):2=12-2:2=12-1=11\\ b,=\left[47-\left(736:2^4\right)\right]\cdot2013=\left(47-736:16\right)\cdot2013=\left(47-46\right)\cdot2013=2013\)
f: =-46-64-91+220
=220-110-91
=110-91=19
g: =4-2:2=3
h: ={47-736:2^4}*2013
=2013(47-184)
=-137*2013=-275781
{ 47 - [ 736 : (5 - 3)4 ] } . 2015
= [ 47 - (736 : 24 ) ] . 2015
= [ 47 - (736 : 16) ] . 2015
= (47 - 46) . 2015
= 1 . 2015
= 2015
={47-[736:2^4]}x2015
={47-[736:16]}x2015
={47-46}x2015
=1x2015=2015
a: \(\left[600-\left(40:2^3+3\cdot5^3\right)\right]:5\)
\(=\left[600-5-375\right]:5\)
\(=44\)
b: \(16\cdot12^2-\left(4\cdot23^2-59\cdot4\right)\)
\(=16\cdot144-4\cdot\left(23^2-59\right)\)
\(=2304-4\cdot470\)
\(=424\)
c: Ta có: \(2^{100}-\left(1+2+2^2+2^3+...+2^{99}\right)\)
\(=2^{100}-2^{100}+1\)
=1
d: Ta có: \(169\cdot2011^0-17\cdot\left(83-1702:23+1^{2012}\right)+2^7:2^4\)
\(=169-17\cdot\left(83-74+1\right)+2^3\)
\(=177-17\cdot10\)
=7
a)29 . (19 – 13) – 19 . (29 – 13)
= 29 . 6 – 19 . 16
= 174 – 304
= –130.
b)31.(-18)+31.(-81)-31
= 31. [-18 + (-81) - 1 ]
= 31. (-100)
= -3100
c)(7.3-3):(-6)
(7.3-3):(-6)
= (21-3):(-6)
= 18 : (-6)
= 3
d)72:[(-6).2+4)]
= 72 : ( -12 + 4 )
= 72 : -8
= -9
a) Phép tính =
\(2^2.3-\left(1+1\right):2\)
\(=4.3-2:2\)
\(=12-1=11\)
b) Phép tính =
\(\left\{47-\left[736:\left(5-3\right)^4\right]\right\}.2013\)
\(=\left\{47-\left[736:16\right]\right\}.2013\)
\(=\left(47-46\right).2013\)
\(=1.2013=2013\)
a) 22 . 31 - ( 12012 + 20120 ) . |-2|
= 4 . 3 - ( 1 + 1 ) . 2
= 12 - 2 . 2
= 10 . 2
= 20.
b) { 47 . [ 736 . ( 5 - 3 )4]} . 203
= { 47 . [ 736 . 24 ]} . 203
= { 47 . [ 736 . 16 ]} . 203
= { 47 . 11 776 } . 203
= 553 472 . 203
= 112 354 816
a,
=4.3 - (1+1).2
=12-2.2
=12-4=8
b {47 . [736-2^4]}.203
={47. [736-16]} . 203
={47 . 720} . 203
=33840. 203
=6869520