3а⁵b= 3×1⁵×(-7)=-21
-x³y²=-0,1³×(-10)²= -0,001×100=-0,1
-31a²b²=-31×(-2)²×(-0,5)²=-31×4×0,25=-31
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3а⁵b= 3×1⁵×(-7)=-21
-x³y²=-0,1³×(-10)²= -0,001×100=-0,1
-31a²b²=-31×(-2)²×(-0,5)²=-31×4×0,25=-31