Question

Запиши каждое произведение в виде суммы одинаковых слагаемых и найди ее значение
а) (18-7)*3=____+___+__=
(27-13)*5=____+___+__+___+___=
(26-19)*2=____+___=
(34-18)*4=____+___+__+___=
(60-49)*5=____+___+__+___+___=
(42-19)*3=____+___+___=
б) (18+7)*3= ___+___+___=
(45-8)*2=____+___=
(30-13)*4=____+___+__+___=
(9+9)*3=____+___+__=
(26-8)*4=____+___+__+__=
(16+7)*4=___+___+___+___=
(37+4)*2=___+___=

Answer 1

А) (18-7)*3=11+11+11=33
(27-13)*5=14+14+14+14+14=70
(26-19)*2=7+7=14
(34-18)*4=16+16+16+16=64
(60-49)*5=11+11+11+11+11=55
(42-19)*3=23+23+23=69
б) (18+7)*3= 25+25+25=75
(45-8)*2=37+37=74
(30-13)*4=17+17+17+17=68
(9+9)*3=18+18+18=54
(26-8)*4=18+18+18+18=72
(16+7)*4=23+23+23+23=92
(37+4)*2=41+41=82