Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
\(a,-13-\left(-15\right)=-13+15=2\)
\(b,43-\left(56-43\right)+\left(56-12\right)=43-13+44=30+44=74\)
\(c,4^4:2^8+\left[13-\left(-5\right)\right]\cdot\left(-3\right)=256:256+\left(13+5\right)\cdot\left(-3\right)\)\(=1+18\cdot\left(-3\right)=1+\left(-54\right)=-53\)
\(d,135\cdot\left(13-37\right)+37\cdot\left(135-13\right)=135\cdot\left(-24\right)+37\cdot122\)\(=-3240+4514=1274\)
a, -13-(-15)=-13+15=2
b, 43-(56-43)+(56-12)=43-13+44=30+44=74
c, 4^4:2^8+[13-(-5)].(-3)=256:256+(13+5).(-3)=1+18.(-3)=1+(-54)=-53
d, 135.(13-37)+37.(135-13)=135.(-24)+37.122=-3240+4514=1274
a) -48 + (-35 + 19) - (32 + 45 + 21)
= -48 - 35 + 19 - 32 - 45 - 21
= (-48 - 32) - (35 + 45) + (19 - 21)
= -80 - 80 - 2
= -162
b) -47 + (38 - 13) - (-52 + 31 - 91)
= -47 + 38 - 13 + 52 - 31 + 91
= (-47 - 13) + (38 + 52) - 31
= -60 + 90 - 31
= 30 - 31 = -1
c) 54 + (-37) - (+70) + (-163) - (-246) + (-230
= 54 - 37 - 70 - 163 + 246 - 230
= (54 + 246) - (37 + 163) - (70 + 230)
= 300 - 200 - 300
= -200
còn lại tự lm
a,12345679x45=12345679x9x5=111111111x5=555555555
b,43 x 37+93 x 43+57 x 61+69 x 57
=43x(37+93)+57(61+69)
=43 x 130+57 x 130
=130 x(43+57)
=130 x 100
=13000
a ) 5 x 216 x 25 x 4 = 1080 x 100 = 108000
b ) 37 x 16 x 25 x 4 = 592 x 100 = 59200
c ) 36 x ( 28 + 82 ) + 64 x ( 69 + 41 ) = 36 x 110 + 64 x 110 = ( 36 + 64 ) x 110 = 100 x 110 = 11000
d ) 42 x ( 53 + 36 + 11 ) = 42 x 100 = 4200
e) 37 x 45 + 56 x 37 - 37 x 1 = 37 x ( 45 + 56 - 1 ) = 37 x 100 = 3700
h) 17 x 1 + 17 x 81 + 18 x 17 = 17 x ( 1 + 81 + 18 ) = 17 x 100 = 1700
Mik nhanh nhất đấy , nhớ click cho mik nha !!!!!!!!!!!!!!!!!!!
a) 5 x 25 x 216 x 4
= ( 5 x 216 ) x ( 25 x 4 )
= 1080 x 100
= 108000
b) 4 x 37 x 25 x 16
= ( 4 x 25 ) x ( 37 x 16 )
= 100 x 592
= 59200
=43.37+93.43+57.61+69.57
=43.(37+93)+57.(61+69)
=43.130+77.130
=130.(43+57)
=13000
154 - ( 12 + 154 )
=154-12-154
=(154-154)-12
=0-12
=-12
( - 45 ) . 18 + ( - 45 ) . 82
=-45.(18+82)
=-45.100
=-4500
( -14 ) - ( - 152 - 14 )
=-14+152+14
=(-14+14)+152
=0+152
=152
21 . 56 + 92 . 56 - 13 . 56
=56.(21+92-13)
=56.100
=5600
314 - (21 - 86 + 79 )
=314-14
=300
119 . ( - 198 ) - 119 . ( - 98 )
=11.[-198-(-98)]
=11.(-100)
=-1100
( 137 - 719 ) - ( 137 - 19 )
=137-719-137+19
=(137-137)-(719-19)
=0-700
=-700
43 . ( - 29 ) + (- 43 ) . 71
=43.(-29)+43.(-71)
=43.[-29+(-71)]
=43.(-100)
=-4300
154 - ( 12 + 154 ) = 154-12-154=-12
( -14 ) - ( - 152 - 14 ) =-14+152+14=152
314 - (21 - 86 + 79 ) =314+86-(21+79)=400-100=300
( 137 - 719 ) - ( 137 - 19 )= 137-137-719+19=-700
21 . 56 + 92 . 56 - 13 . 56= 56.( 21+92-13)=56.100=5600
( - 45 ) . 18 + ( - 45 ) . 82= -45.(18+82)=-45.100=-4500
43 . ( - 29 ) + (- 43 ) . 71=(-43). 29 +(-43).71= -43.( 29+71)=-43.100=-4300
119 . ( - 198 ) - 119 . ( - 98 )=119.( -198 +98)=119.(-100)=-11900
Hok tốt
a) \(37-69=-32\)
b) \(-43-\left(-98\right)=55\)
c) \(-21-56=-77\)
a) -32
b) 55
c) -77