Question

Calculeaza in 2 moduri:
7*(8 + 2) =
8x (5+4)=
7*(10 - 6) =
(8-5) × 4 =

Answer 1

Răspuns:

7·(8 + 2) =7·10=70

7·8+7·2=56+14=70

8·(5+4)=8·9=72

8·5+8·4=40+32=72

7·(10 - 6) =7·4=28

7·10-7·6=70-42=28

(8-5)·4 =3·4=12

8·4-5·4=32-20=12