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Автор - stroikov7

вычисли, переставляя,где удобно, слагаемое или заменяя соседние слагаемые их суммой:69+9+5,76+8+4,20+7+30,36+8+2,47+6+4,50+9+1+40

Ответ

Автор - Ololoshic
78+5=83
80+8=88
50+7=57
36+10=46
47+10=57
50+50=100

Ответ

Автор - 1065ella
69+9+5=83
76+(8+2)+2=88
20+30+7=57
36+(8+2)=46
47+(6+4)=57
50+40+(1+9)=100

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