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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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