1. 151/18+х=217/18
х=217/18-151/18
х= 11/3
2. х-18/35=213/35
х=213/35+18/35
х=33/5
3. х+178/15=314/15
х=314/15-178/15
х=136/15
4. 30-х=909/50
-х=909/50-30
-х=-591/50
х=591/50
5. х=1-17/40
х=23/40
6. Х-204/49=41/49
Х=41/49+204/49
Х=5
УДАЧИ В УЧЁБЕ!!!
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Answers & Comments
1. 151/18+х=217/18
х=217/18-151/18
х= 11/3
2. х-18/35=213/35
х=213/35+18/35
х=33/5
3. х+178/15=314/15
х=314/15-178/15
х=136/15
4. 30-х=909/50
-х=909/50-30
-х=-591/50
х=591/50
5. х=1-17/40
х=23/40
6. Х-204/49=41/49
Х=41/49+204/49
Х=5
УДАЧИ В УЧЁБЕ!!!