Toán -68x 47- 32 x -47 (-2)^3 +(27-31)^2-2018^0 15/07/2021 By Sarah -68x 47- 32 x -47 (-2)^3 +(27-31)^2-2018^0
$-68. 47- 32 . (-47)=47.[(-68)-32.(-1)]=47.(-68+32)=47.(-36)=-1692 ^{}$ $(-2)^3+(27-31)^2-2018^0{}=-8+(-4)^2-1=-8+16-1=8-1=7$ Trả lời
-68×47- 32×(-47) =68×(-47)- 32×(-47) =(-47)×(68-32) =(-47)×36 =-1692 (-2)³ +(27-31)²-2018^0 =-8 +(-4)²-1 =-8 +16-1 =-8 +16-1 =8-1 =7. Trả lời
$-68. 47- 32 . (-47)=47.[(-68)-32.(-1)]=47.(-68+32)=47.(-36)=-1692 ^{}$
$(-2)^3+(27-31)^2-2018^0{}=-8+(-4)^2-1=-8+16-1=8-1=7$
-68×47- 32×(-47)
=68×(-47)- 32×(-47)
=(-47)×(68-32)
=(-47)×36
=-1692
(-2)³ +(27-31)²-2018^0
=-8 +(-4)²-1
=-8 +16-1
=-8 +16-1
=8-1
=7.