题目内容

【题目】森林医生。(判断对错,并将错的改正过来)

(1)50.4×1.9-1.8

=50.4×0.1

=5.04 )改正:

(2)3.75×0.25+25.8

=0.9776+25.8

=26.7776 )改正:

【答案】(1)×

改正:50.4×1.9-1.8

=95.761.8

=93.96

(2)×

改正:3.75×0.25+25.8

=0.9375+25.8

=26.7375

【解析】

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