第84页

信息发布者：
240
乘法分配
9
324
48
555555
27
B
B
B
=48+52+257
=100+257
=357
=200×46+46
=9200+46
=9246
=(8×125)×(4×25)
=1000×100
=100000
=243-(183+17)
=243-200
=43
=(49+1)×24
=50×24
=1200
=45×120+55×120
=(45+55)×120
=100×120
=12000
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