158. Теңдеуді шешіңдер: 3 1) x - 212 17 3) x - 37 54 Есепке сурак курастырын дар 5- 18 16 15- 2) x - 26 4) x - 33 21 21 25 = = 100 28 4217 35
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Ответ:
1)х-2 7/12=5 3/18
х=5 3/18+2 7/12
х=7 3/4
2)х-26 7/21=100 5/28
х=100 5/28+26 7/21
х=126 43/84
3)х-37 17/54=15 16/45
х=15 16/45+37 17/54
х=52 181/270
4)х-33 21/25=42 17/35
х=42 17/35+33 21/25
х=76 57/175