Помогите пж срочно
1.Заполните рамочки в верном равенстве
1)-7-(?)=-2
2)-5-(?)=-9
3)?-(-6)=4
4)?-(+10)=-7
5)2-(?)=0
6)-6-(?)=-3
2.Вычислите
1)-18-(9-5)
2)-0,25-(3-2,25)
3)-2/9-(1-8/9)
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