17x47 47x19 19x36 36x34用乘法分配律计算
展开全部
17x47 47x19 19x36 36x34用乘法颤谈分配律计茄仿碰算大扮
17X47
=(10+7)X47
=10X47+7X47
=470+329
=799
47x19
=47X(20-1)
=47X20-47
=940-47
=893
19X36
=(20-1)X36
=20X36-36
=720-36
=684
36X34
=(40-4)X34
=40X34-4X34
=1360-136
=1224
17X47
=(10+7)X47
=10X47+7X47
=470+329
=799
47x19
=47X(20-1)
=47X20-47
=940-47
=893
19X36
=(20-1)X36
=20X36-36
=720-36
=684
36X34
=(40-4)X34
=40X34-4X34
=1360-136
=1224
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
