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能简算的要简算(514-58)-(38-914)3×(215+112)-25[12-(34-35)]÷710125×(56+34)+45.
题目详情
能简算的要简算
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▼优质解答
答案和解析
(1)(514-58)-(38-914),=514-58-38+914,=(514+914)-(58+38),=1-1,=0;(2)3×(215+112)-25,=3×215+3×112-25,=25+14-25,=25-25+14,=14;(3)[12-(34-35)]÷710,=[12-320]÷710,=720÷710,=12;(4)1...
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