Question

Помогите как можно быстрей
(6•7+8•6)-48
(70+5•5)-9•5
80-(3•10+9•3

Answer 1

(6×7+8×6)-48= 42+48=42
(70+5×5)-9×5=70+25-45=95-45=50
80-(3×10+9×3)=80-30+27=80-57=23