👤

Sagot :

A= - 6 ×(-1)×2×(-1)×(-5)×7

=6×(-2)×(-35)

=-12×(-35)

=420

B= (- 8 + 12 – 5 + 7) × (11 – 13 – 7 - 2)

=(4+2)×((-2)-9)

=6×(-11)

=66

© 2024 IDNLearn. All rights reserved.