如题所述
第1个回答 2020-03-20
第2个回答 2020-03-20
103*36-3*36
=(103-3)*36
=100*36
=3600本回答被网友采纳
=(103-3)*36
=100*36
=3600本回答被网友采纳
第3个回答 2020-03-20
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本回答被提问者采纳
=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本回答被提问者采纳