Question

Calculeaza in doua moduri 15×8-15×6

Answer 1

a)Primul mod:
15×8-15×6=
=120-90=
=30.
b)Al doilea mod:
15×8-15×6=
=15×(8-6)=
=15×2=
=30.

Answer 2

15×8-15×6=
=120-90=
=30 (primul mod)
15×(8-6)=
=15×2=
=30 (al doilea mod)
R:30