Question

Cíu tui với các bạn ơi

-75.43+25.(-43)
-29.64-29.36
giup mik vs cam onn ạ!
 

Answer 1

\(a,-75\times43+25.\left(-43\right)=-75.43+25.\left(-1\right).43\\ =-75.43-25.43\\ =43.\left(-75-25\right)\\ =43.\left(-100\right)\\ =-4300\\ b,-29.64-29.36\\ =-29.\left(64+36\right)\\ =-29.100\\ =-2900\)

Answer 2

[(-43)+43]×75+25

0×100

0

Answer 3

`-75.43+25.(-43)`

`=-75.43+25.(-1).43`

`=-75.43-25.43`

`=43.(-75-25)`

`=43.(-100)`

`=-(43.100)`

`=-4300`

__

\(−29.64−29.36\)

\(= − 29. ( 64 + 36 )\)

\(= − 29.100 = − 2900\)