Ответы на вопрос:
1. 200 * х = 1200 : 3 200 х = 400 х = 200 2. х + 100 * 3 = 500 х + 300 = 500 х = 500 - 300 = 200 3. (42 + 8) * х = 1500 : 30 50х = 50 х = 1 4. (46 -6) * х + 10 = 170 40х +10 = 170 40х = 170 -10 = 160 х = 160 : 40 = 4 5. (72 - 2) х = 50 * 11 - 200 70 х = 550 - 200 70 х = 350 х = 350 : 70 = 5
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