Ә) Есепте. 20- (3+5)=12
30-7-2)=21
40 -(8-2)=34
30 +(2+7)=39
50 + (6 - 4)=52
20 +(2+6)=28
50 +(3+6)=59
40 + (9-5)=44
70 +(7-6)=71
80+ (3-2)=81
70 + (5-4)=71
30+ (5+4)=39

Question

Математика: Ә) Есепте. 20- (3+5)=12 30-7-2)=21 40 -(8-2)=34 30 +(2+7)=39 50 + (6 - 4)=52 20 +(2+6)=28 50 +(3+6)=59 40 + (9-5)=44 70 +(7-6)=71 80+ (3-2)=81 70 + (5-4)=71 30+ (5+4)=39

vladikpadic · Answer

Пошаговое объяснение:20- (3+5)=1230-7-2)=2140 -(8-2)=3430 +(2+7)=3950 + (6 - 4)=5220 +(2+6)=2850 +(3+6)=5940 + (9-5)=4470 +(7-6)=7180+ (3-2)=8170 + (5-4)=7130+ (5+4)=39...