2,9m + 6,7m = 30,72
9,6m = 30,72
m = 30,72 : 9,6
m = 3,2
проверка:
2,9 * 3,2 + 6,7 * 3,2 = 30,72
9,28 + 21,44 = 30,72
30,72 = 30,72
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Verified answer
2,9m + 6,7m = 30,72
9,6m = 30,72
m = 30,72 : 9,6
m = 3,2
проверка:
2,9 * 3,2 + 6,7 * 3,2 = 30,72
9,28 + 21,44 = 30,72
30,72 = 30,72