Решите уравнение:
а)y*28=756. в)(х-18)*17=408
б)х:17=221. г)232:х+21=50
а)y*28=756. в)(х-18)*17=408
б)х:17=221. г)232:х+21=50
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а)y*28=756.
у=756:28
у=27
в)(х-18)*17=408
17х-306=408
17х=306+408
17х=714
х=714:17
х=42
б)х:17=221.
х=221×17
х=3757
г)232:х+21=50
232:х=50-21
232:х=29
х=232:29
х=8