发布网友 发布时间:2023-10-17 22:37
共5个回答
热心网友 时间:2023-11-28 03:10
0.4×125×25×0.8
=(0.4×25)×(125×0.8)
=10×100=1000
1.24×8.3+8.3×1.76
=8.3×(1.24+1.76)
=8.3×3=24.9
9999×1001
=9999×(1000+1)
=9999×1000+9999×1
=10008999
14.8×6.3-6.3×6.5+8.3×3.7
=(14.8-6.5)×6.3+8.3×3.7
=8.3×6.3+8.3×3.7
8.3×(6.3+3.7)
=8.3×10
=83
1.24+0.78+8.76
=(1.24+8.76)+0.78
=10+0.78
=10.78
933-157-43
=933-(157+43)
=933-200
=733
4821-998
=4821-1000+2
=3823
I32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000
百分数的互化
百分数与小数的互化
(1)百分数化小数:去掉百分号,小数点左移两位。如:75%可化为0.75。
(2)小数化百分数:加上百分号,小数点右移两位。如:0.62可化为62%。
热心网友 时间:2023-11-28 03:10
(30+20%)÷2热心网友 时间:2023-11-28 03:11
怎样简便计算六年级百分数,六年级百分数简便计算题,100道带答案,现在每个六年级生都会做这样的题热心网友 时间:2023-11-28 03:11
(1/8+1/9+1/10+1/11)+(1/9+1/10+1/11+1/12)-(1/8+1/9+1/10+1/11+1/12)×(1/9+1/10+1/11)热心网友 时间:2023-11-28 03:12
12X3÷(25+20%)