Ответ:
Пошаговое объяснение:
3/24 + 11/30 - 5/12=
1)15/120+44/120=59/120
2)59/120-5/12=59/120-50/120=9/120=3/40
или (15/120+44/120)-50/120=9/120=3/40
7 1/5 - 4 2/15 + 2/3 =
1) 7 1/5 - 4 2/15= 36/5-62/15= 108/15-62/15=46/15
2)46/15+2/3= 46/15+10/15= 56/15= 3 11/15
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Answers & Comments
Ответ:
Пошаговое объяснение:
3/24 + 11/30 - 5/12=
1)15/120+44/120=59/120
2)59/120-5/12=59/120-50/120=9/120=3/40
или (15/120+44/120)-50/120=9/120=3/40
7 1/5 - 4 2/15 + 2/3 =
1) 7 1/5 - 4 2/15= 36/5-62/15= 108/15-62/15=46/15
2)46/15+2/3= 46/15+10/15= 56/15= 3 11/15