Ответ:
9 13/15
Пошаговое объяснение:
1) 3 * 5/12 = 15/12 = 5/4 = 1 1/4
2) 7 * 19/30 = 133/30 = 4 13/30
3) 11,25 - 1 1/4 = 11 25/100 - 1 1/4 = 11 1/4 - 1 1/4 = 10
4) 10 + 4,3 = 14,3
5) 14,3 - 4 13/30 = 14 3/10 - 4 13/30 = 14 9/30 - 4 13/30 = 13 39/30 - 4 13/30 = 9 26/30 = 9 13/15
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Answers & Comments
Ответ:
9 13/15
Пошаговое объяснение:
1) 3 * 5/12 = 15/12 = 5/4 = 1 1/4
2) 7 * 19/30 = 133/30 = 4 13/30
3) 11,25 - 1 1/4 = 11 25/100 - 1 1/4 = 11 1/4 - 1 1/4 = 10
4) 10 + 4,3 = 14,3
5) 14,3 - 4 13/30 = 14 3/10 - 4 13/30 = 14 9/30 - 4 13/30 = 13 39/30 - 4 13/30 = 9 26/30 = 9 13/15