Предмет: Математика, автор: никите0000

помогите пожалуйста 1,2,3.

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Ответы

Автор ответа: ulpan2

0

1)6+4-1=9
2)2+7-6=3
3)9+0-2=7
4)1+1-1=1

2кг+4кг=6кг С.

С.

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