简算。 65x102-65x2 73x95+73x6-73 720x5+28x50
3个回答
展开全部
65x102-65x2
=65x(102-2)
=65x100
=6500
73x95+73x6-73
=73x(95+6-1)
=73x100
=7300
720x5+28x50
=72x50+28x50
=(72+28)x50
=100x50
=5000
=65x(102-2)
=65x100
=6500
73x95+73x6-73
=73x(95+6-1)
=73x100
=7300
720x5+28x50
=72x50+28x50
=(72+28)x50
=100x50
=5000
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
65x102-65x2
=65x(102-2)
=65x100
=6500
73x95+73x6-73
=73x(95+6-1)
=73x100
=7300
720x5+28x50
=72x50+28x50
=50x(72+28)
=50x100
=5000
=65x(102-2)
=65x100
=6500
73x95+73x6-73
=73x(95+6-1)
=73x100
=7300
720x5+28x50
=72x50+28x50
=50x(72+28)
=50x100
=5000
本回答被提问者采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
65x102-65x2
=65×(102-2)
=65×100
=6500
73x95+73x6-73
=73×(95+6-1)
=73×100
=7300
720x5+28x50
=720×5+280×5
=(720+280)×5
=1000×5
=5000
=65×(102-2)
=65×100
=6500
73x95+73x6-73
=73×(95+6-1)
=73×100
=7300
720x5+28x50
=720×5+280×5
=(720+280)×5
=1000×5
=5000
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