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minus 2 la puterea 3 plus 3 × (-2) la puterea 2 + 3 la puterea 2 ×(-2) : (-7)-(-2) la puterea 4 :(-7)​

Răspuns :

-2^3+3•(-2)^2+3^2•(-2):(-7)-(-2)^4:(-7)=

-8+3•2^2+3^2•2/7+2^4:7=

-8+3•4+9•2/7+2^4/7=

-8+12+18/7+16/7=

4+34/7=

62/7