53/5 - 2 6/11 + 3 3/5= 20 -3 8/15 + 10 4/15= 15 7/11 - вопрос №53526113352038151041515711491634112200920 от lalal2345 26.02.2020 04:40

Question

Математика: 53/5 - 2 6/11 + 3 3/5= 20 -3 8/15 + 10 4/15= 15 7/11 - 4 9/16 + 3 4/11=

lalal2345 · Answer

5 3/5-2 6/11+3 3/5=5 33/55-2 30/55+3 33/55=6 36/55
2)20-3 8/15+10 4/15=19 15/15-3 8/15+10 4/15=26 11/15
3)15 7/11-4 9/16+3 4/11=(15 7/11+3 4/11)-4 9/16=18 11/11-4 9/16=19-4 9/16=18 16/16-4 9/16=14 7/16