如题所述
第1个回答 2020-08-03
3.6x42.3x3.75-12.5x0.423x28
=1.08x42.3x12.5-12.5x42.3x0.28
=42.3×12.5×(1.08-0.28)
=42.3×12.5×0.8
=42.3×10
=423
=1.08x42.3x12.5-12.5x42.3x0.28
=42.3×12.5×(1.08-0.28)
=42.3×12.5×0.8
=42.3×10
=423
如题所述
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