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Daca a=75 si b+c = 32 calculati
3a+2b+2c.

Daca a+b=213 si c =48 calculati

a+b+C 2a+2b+3c ac+bc

Răspuns :

Renatemambouko
a=75 si b+c = 32 calculati
3a+2b+2c=3a+2(b+c)=3*75+2*32=150+64=214

Daca a+b=213 si c =48 calculati

a+b+c=213+48=261
 2a+2b+3c =2(a+b)+3c=2*213+3*48=426+144=570
 ac+bc=c(a+b)=48*213=10224
3a+2(b+c)=3×75+2×32 2(a+b )+3c=2×213+3×48 c(a+b)=48×213 calculele le faci tu

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