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Clubup567
a fost răspuns

afla numerele necunoscutea)5×12×2×29+A=38×3+6×44 b)86×4-b=18×3+6×15-8×14

Răspuns :

60x2x29+A=114+264
120x29+A=378
3480+A=378
A=3480-378
A=3102

86x4-B=18x3+6x15-8x14
344-B=54+90-112
344-B=144-112
344-B=32
B=344+32
B=376
a) 5×12×2×29+A=38×2+6×44=60×2×29+A=76+6×44=120×29+A=76+264=3480+A=340
A=3480-340
A =3140
B) 86×4-b=18×3+6×15-8×14=344-b=44+95-92=344-b=149-92=344-b=57
B=344-57
b=287
sper ca te-am ajutat

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