Ответ:
3/10+5/12=43/60
13/24-7/16=5/48
1 4/15+3 7/25=4 41/75
9 11/12-5 3/8=4 12/24
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Ответ:
3/10+5/12=43/60
13/24-7/16=5/48
1 4/15+3 7/25=4 41/75
9 11/12-5 3/8=4 12/24
2.13/24 - 7/16 = 13*16/24*16 - 7*24/16*24 = 208/384 - 168/384 = 40:8/384:8 = 5/48
3. 1 4/15+3 7/25 = (1+3) (4/15+7/25) = 4+4*25/15*25 + 7*15/25*15 = 100/375 + 105/375 = 205:5/375:5=4 41/75
4. 9 11/12 - 5 3/8 = (9-5) (11/12 - 3/8) = 4 11*8/12*8 - 3*12/8*12 = 4 88/96 - 36/96 = 4 52:4/96:4 = 4 13/24