Ответ:
40-(8+7)
50-(9-6)
86-(30-10
42-(20+2)
1. 40-(8+7)=25
2.50-(9-6)=47
3.86-(30-10)=66
4.42-(20+2)=20
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Ответ:
40-(8+7)
50-(9-6)
86-(30-10
42-(20+2)
Ответ:
1. 40-(8+7)=25
2.50-(9-6)=47
3.86-(30-10)=66
4.42-(20+2)=20