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Un muncitor a confectionat intr-o zi 132 de piese,astfel realizind 88%din norma zilnica

Răspuns :

132.....88%
x.....100%

x=100%×132/88%
x=13200/88
x=150 de piese
132 piese ... 88%
x piese ... 100%

x=132 x 100
_______ = 13200/88 = 150.
88