4.9✖️0.37➗0.37✖️4.9用简便方法计算
4.9✖️0.37➗0.37✖️4.9
=4.9*4.9*0.37÷0.37
=24.01*1
=24.01
4.9✖️0.37➗0.37✖️4.9
=4.9*4.9*0.37÷0.37
=24.01*1
=24.01
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第1个回答 2019-01-03
22×25
=(20+2)×25
=20×25+2×25
=500+50
=550
=(20+2)×25
=20×25+2×25
=500+50
=550
第2个回答 2019-01-03
4.9✖️0.37➗0.37✖️4.9用简便方法计算
4.9✖️0.37➗0.37✖️4.9
=4.9*4.9*0.37÷0.37
=24.01*1
=24.01
4.9✖️0.37➗0.37✖️4.9
=4.9*4.9*0.37÷0.37
=24.01*1
=24.01
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