怎样算简便就怎样算.23.75-8.64-3.36 17.83-9.5-7.83-0.53.45+8.7+16.55+1.3  ...
怎样算简便就怎样算.23.75-8.64-3.3617.83-9.5-7.83-0.53.45+8.7+16.55+1.3102×43382×101-3824×125×2...
怎样算简便就怎样算.23.75-8.64-3.36 17.83-9.5-7.83-0.53.45+8.7+16.55+1.3 102×43382×101-382 4×125×25×856×67+56×33 6.06-(3.14+0.4)
展开
1个回答
展开全部
(1)23.75-8.64-3.36
=23.75-(8.64+3.36)
=23.75-12
=11.75
(2)17.83-9.5-7.83-0.5
=(17.83-7.83)-(9.5+.5)
=10-10
=0
(3)3.45+8.7+16.55+1.3
=(3.45+16.55)+(8.7+1.3)
=20+10
=30
(4)102×43
=(100×43)+(2×43)
=4300+86
=4386
(5)382×101-382
=382×(101-1)
=382×100
=38200
(6)4×125×25×8
=(125×8)×(25×4)
=1000×100
=100000
(7)56×67+56×33
=(67+33)×56
=100×56
=5600
(8)6.06-(3.14+0.4)
=6.06-3.54
=2.52
=23.75-(8.64+3.36)
=23.75-12
=11.75
(2)17.83-9.5-7.83-0.5
=(17.83-7.83)-(9.5+.5)
=10-10
=0
(3)3.45+8.7+16.55+1.3
=(3.45+16.55)+(8.7+1.3)
=20+10
=30
(4)102×43
=(100×43)+(2×43)
=4300+86
=4386
(5)382×101-382
=382×(101-1)
=382×100
=38200
(6)4×125×25×8
=(125×8)×(25×4)
=1000×100
=100000
(7)56×67+56×33
=(67+33)×56
=100×56
=5600
(8)6.06-(3.14+0.4)
=6.06-3.54
=2.52
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