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a) ( 118 × 6 ) + m = 900, b) m - ( 236 × 3 ) = 292 , c) ( 286 × 3 ) - m = 469

Răspuns :

a) ( 118 × 6 ) + m = 900

708+m=900

m=900-708

m=192

b) m - ( 236 × 3 ) = 292

m-708=292

m=292+708

m=1000

c) ( 286 × 3 ) - m = 469

858-m=469

-m=469-858

-m=-389

m=389