1.340÷5+340÷52.55×101-55+16×253.8421-277-623+5794.(364-456)-(544-636)5.62×4+44×5+5×186.6200÷1247.(7500÷15)÷(25×2)8.3400-62×34-38×20-38×14有些可以巧算,有些不可以巧算,最好巧算哦,
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/16 08:09:38
![1.340÷5+340÷52.55×101-55+16×253.8421-277-623+5794.(364-456)-(544-636)5.62×4+44×5+5×186.6200÷1247.(7500÷15)÷(25×2)8.3400-62×34-38×20-38×14有些可以巧算,有些不可以巧算,最好巧算哦,](/uploads/image/z/211214-38-4.jpg?t=1.340%C3%B75%2B340%C3%B752.55%C3%97101-55%2B16%C3%97253.8421-277-623%2B5794.%EF%BC%88364-456%EF%BC%89-%EF%BC%88544-636%EF%BC%895.62%C3%974%2B44%C3%975%2B5%C3%97186.6200%C3%B71247.%EF%BC%887500%C3%B715%EF%BC%89%C3%B7%EF%BC%8825%C3%972%EF%BC%898.3400-62%C3%9734-38%C3%9720-38%C3%9714%E6%9C%89%E4%BA%9B%E5%8F%AF%E4%BB%A5%E5%B7%A7%E7%AE%97%2C%E6%9C%89%E4%BA%9B%E4%B8%8D%E5%8F%AF%E4%BB%A5%E5%B7%A7%E7%AE%97%2C%E6%9C%80%E5%A5%BD%E5%B7%A7%E7%AE%97%E5%93%A6%2C)
1.340÷5+340÷52.55×101-55+16×253.8421-277-623+5794.(364-456)-(544-636)5.62×4+44×5+5×186.6200÷1247.(7500÷15)÷(25×2)8.3400-62×34-38×20-38×14有些可以巧算,有些不可以巧算,最好巧算哦,
1.340÷5+340÷5
2.55×101-55+16×25
3.8421-277-623+579
4.(364-456)-(544-636)
5.62×4+44×5+5×18
6.6200÷124
7.(7500÷15)÷(25×2)
8.3400-62×34-38×20-38×14
有些可以巧算,有些不可以巧算,最好巧算哦,
1.340÷5+340÷52.55×101-55+16×253.8421-277-623+5794.(364-456)-(544-636)5.62×4+44×5+5×186.6200÷1247.(7500÷15)÷(25×2)8.3400-62×34-38×20-38×14有些可以巧算,有些不可以巧算,最好巧算哦,
1.
340÷5+340÷5
=68+68
=136
2.
55×101-55+16×25
=55×(100+1)-55+400
=5500+55-55+400
=5900
3.
8421-277-623+579
=8421+579-(277+623)
=9000-900
=8100
4.
(364-456)-(544-636)
=364-456-544+636
=364+636-(456+544)
=1000-1000
=0
5.
62×4+44×5+5×18
=62×4+5×(44+18)
=62×4+5×62
=62(4+5)
=62*9
=558
6.
6200÷124
=50
7.
(7500÷15)÷(25×2)
=500÷50
=10
8.
3400-62×34-38×20-38×14
=3400-62×34-38(20+14)
=3400-62×34-38×34
=3400-34(62+38)
=3400-34*100
=3400-3400
=0