42: 18*26цел4/7- 23цел23/25 - 33цел11/15 + 1/6*5цел3/25 - вопрос №541596842182647232325331115165325 от 5Костя5 10.09.2021 20:33

Question

Математика: 42: 18*26цел4/7- 23цел23/25 - 33цел11/15 + 1/6*5цел3/25 решить

5Костя5 · Answer

42:18*26 4/7-23 23/25-33 11/15+1/6*5 3/25=5 1/5
1)42:18=2 1/3
2)2 1/3*26 4/7=7/3*186/7=62
3)1/6*5 3/25=1/6*128/25=64/75
4)62-23 23/25=61 25/25-23 23/25=38 2/25
5)38 2/25-33 11/15=952/25-506/15=2856/75-2530/75=326/75
6)326/75+64/75=390/75=5 1/5