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简便运算79÷115+29×5114×1.28×25353.6-(253.6+67.89)(58+127)×8+1927
题目详情
简便运算
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4×1.28×25 353.6-(253.6+67.89) (
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▼优质解答
答案和解析
(1)79÷115+29×511 =79×511+29×511=(79+29 )×511=511(2)4×1.28×25=4×25×1.28=100×1.28=128(3)353.6-(253.6+...
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