Пошаговое объяснение:
1. =17/8+(32/9-1/4)=17/8+119/36=391/72=531/72
2. =14/3+2/5=28/15=1целая 13/5
3. = 15/7×11/4=165/98=1 целая 67/98
4. =38/7+7= 38
5.16/9×2×2/5×3/5=16/3×2×2/5×1/5=64/75
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Пошаговое объяснение:
1. =17/8+(32/9-1/4)=17/8+119/36=391/72=531/72
2. =14/3+2/5=28/15=1целая 13/5
3. = 15/7×11/4=165/98=1 целая 67/98
4. =38/7+7= 38
5.16/9×2×2/5×3/5=16/3×2×2/5×1/5=64/75