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
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