No 4. Реши уравнение.
42: 6 + x = 201 - 176
X-450 = 150 * 3
х* 8 = 560 - 488
y – 120 = 203 * 3
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42: 6 + x = 201 - 176
X-450 = 150 * 3
х* 8 = 560 - 488
y – 120 = 203 * 3
-
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Ответ:
1. 42:6 + х=201- 176
7+х=25
х=25-7
х=18
Ответ:
42÷6+х=201-176
7+х=25
×=25-7
х=18
42÷6+18=201-176
25=25
х-450=150×3
х-450=450
х=450+450
х=900
900-450=150×3
450=450
Х ×8=560-488
х ×8=72
х=72÷8
х=9
9×8=560-488
72=72
у-120=203×3
у-120=609
у=609+120
у=729
729-120=203×3
609=609