Adamandreea25ask
a fost răspuns

aflati valoarea la a, b

ax42+720-720÷9=1060

100-b÷16+350÷7=144

Răspuns :

Crys157724ask

a×42+720-720:9=1060

a×42+720-80=1060

a×42+720=1060+80

a×42+720=1.140

a×42=1140-720

a×42=420

a=420:42

a=10

100-b:16+350:7=144

100-b:16+50=144 /-50

100-b:16=94

b:16=100-94

b:16=6

b=6×16

b=96

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