60.4×0.25+19.6÷4怎么简便计算

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60.4×0.25+19.6÷4怎么简便计算60.4×0.25+19.6÷4怎么简便计算60.4×0.25+19.6÷4怎么简便计算60.4×0.25+19.6÷4=60.4×0.25+19.6×0.

60.4×0.25+19.6÷4怎么简便计算
60.4×0.25+19.6÷4怎么简便计算

60.4×0.25+19.6÷4怎么简便计算
60.4×0.25+19.6÷4
=60.4×0.25+19.6×0.25
=(60.4+19.6)×0.25
=80×0.25
=20

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