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47×[15×(13−310)+78]=18÷67−(14+27)×911=(1+57+12÷34)×27=(350×101−350)÷(150+30÷115)=34÷[(116+120)×(1÷320)]=15÷23×524÷712=
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▼优质解答
答案和解析
(1)47×[15×(13−310)+78],=47×[15×130+78],=47×[12+78],=47×118,=1114;(2)18÷67−(14+27)×911,=18÷67-1528×911,=21-135308,=20173308;(3)(1+57+12÷34)×27,=(1+57+23)×27,=5021×27...
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