Question

Answer 1

\(a,=25.\left(63-23\right)=25.40=1000\\ b,=\left(-20\right).\left(-6\right)=120\\ ,=3:\left(-4\right)=-\dfrac{4}{3}\\ d,=-8.2=-16\\ e,=-343.16=-5488\)

Answer 2

a: \(=25\left(63-23\right)=25\cdot40=1000\)

b: =-4x5x6=-120

c: =3x(-4)=-12

Answer 3

`a, = 25 . (63-23)`

`= 25. 40`

`= 1000`

`b, = 20 . (-6)`

`= -120`