Matematică
eli345
14

Calculează : (70-8×7):2+(21+21:3)= 340-(100-100:10×7+9×7)= (80-6×9)×(163-7×9)= (100-28):(45-36)+(4×8+9×5):7= va rog mult

+1
(2) Răspunsuri
purice03

(70-8x7):2+(21+21:3)= (70-56):2+(21+7)=  14:2+28=  7+28=35

feliciamaria728

(70-56):2+(21+7)=14:2+28=7+28=35 340-(100-10x7+63)=340-(100-70+63)=340-(30+63)=340-93=247 (80-54)x(163-63)=26x100=2600 72:9+(32+45):7=72:9+87=8+87=95

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