Question

(3 ×(- 2)) × 5=
(-9 × 4) × (-2,5)=
(13 ×(-5)) × 20=

Answer 1

(3 ×(- 2)) × 5= -6 ×5=-30
(-9 × 4) × (-2,5)=(-36)×(-2,5)=90
(13 ×(-5)) × 20=(-65)×20=-1300

Answer 2

(3 ×(- 2)) × 5=-6×5=30
(-9 × 4) × (-2,5)=-36×(-2,5)=90
(13 ×(-5)) × 20=-65×20=-1300

Answer 3

там в первом - 30

Answer 4

Знаю