Ответ:
1)2,2:0,2+30(2/5-1/6)=11+30*7/30=11+7=18
2)(17,68:1,3-5,35)*0,4+12,6=(13,6-5,35)*0,4+12,6=8,25*0,4+12,6=3,3+12,6=15,9
3)4,5*3,08-16,119:4,05+0,95*40=13,86-3,98+38=47,88
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Ответ:
1)2,2:0,2+30(2/5-1/6)=11+30*7/30=11+7=18
2)(17,68:1,3-5,35)*0,4+12,6=(13,6-5,35)*0,4+12,6=8,25*0,4+12,6=3,3+12,6=15,9
3)4,5*3,08-16,119:4,05+0,95*40=13,86-3,98+38=47,88