Ответ:
(3 1/4+3 5/6):(5 3/4-3 2/3)=
1) 3 1/4+3 5/6=6 3/12+10/12=6 13/12=7 1/12
2) 5 3/4- 3 2/3=5 9/12-3 8/12=2 1/12
3) 7 1/12:2 1/12=85/12:25/12=85/12•12/25=85•12/12•25=17/5=3 2/5
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Ответ:
(3 1/4+3 5/6):(5 3/4-3 2/3)=
1) 3 1/4+3 5/6=6 3/12+10/12=6 13/12=7 1/12
2) 5 3/4- 3 2/3=5 9/12-3 8/12=2 1/12
3) 7 1/12:2 1/12=85/12:25/12=85/12•12/25=85•12/12•25=17/5=3 2/5