100×(0.7-3/10-4/25+0.03)

日期:2022-01-25 16:59:09 人气:1

100×(0.7-3/10-4/25+0.03)

100×(0.7-3/10-4/25+0.03)
=100x0.7-100x3/10-100x4/25+100x0.03
=70-30-16+3
=27
    A+
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