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Calculeaza in doua moduri :16x(5+3) b:26x(17-12)

Răspuns :

Cosmin2412004
16×(5+3)=16×8=128
               =16×5+16×3=80+48=128

26×(17-12)=26×5=130
                  =26×17-26×12=442-312=130
Rapunzel15
16×(5+3) = 16×8 = 128
16×(5+3) = 16×5 + 16×3 = 80+48 = 128

26×(17-12) = 26 × 5 = 130
26×(17-12) = 26×17-26×12 = 442-312 = 130

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