用简便的方法计算下面各题?

2024-12-27 20:15:42
推荐回答(3个)
回答1:

回答2:

103*36-3*36
=(103-3)*36
=100*36
=3600

回答3:

25×204
=25×(200+4)
=25×200+25×4
=5000+100
=5100
103×36-3×36
=(103-3)×36
=100×36
=3600
231-56-44
=231-(56+44)
=231-100
=131
7200÷(72×5)
=7200÷72÷5
=100÷5
=20