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b×2=60:10×3 ma ajutati va rog

Răspuns :

bx2=60:10x3
bx2=6x3
bx2=18
b=18:2
b=9
B x 2 = 60:10 x3
Bx2=6 x 3
B x 2=18
B=18: 2
B=9