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Ursachi22
a fost răspuns

Scoate factorul comun apoi calculeaza 41×132-41×32; 37×28+42×37-37×15; 27×8+2×27+27×10;

Răspuns :

Slavitescudora
41(1×132-1×32)=41×(132-32)=41×100=4100
37(1×28+42×1-1×15)=37(28+42-15)=37×54=1998
27(1×8+2×1+1×10)=27(8+2+10)=27×20=540

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