能简算的要简算小六数学题!
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:综合作业 时间:2024/08/09 17:55:19
能简算的要简算小六数学题!
一.5/11×3/4+6/11÷4/3+0.75
二.1/4÷(1-1/2-1/4)
三.7/8×5/13+7/13×3/8
四.(9又1/4-3.2)÷2又1/2+1.68
一.5/11×3/4+6/11÷4/3+0.75
二.1/4÷(1-1/2-1/4)
三.7/8×5/13+7/13×3/8
四.(9又1/4-3.2)÷2又1/2+1.68
![能简算的要简算小六数学题!](/uploads/image/z/18793092-12-2.jpg?t=%E8%83%BD%E7%AE%80%E7%AE%97%E7%9A%84%E8%A6%81%E7%AE%80%E7%AE%97%E5%B0%8F%E5%85%AD%E6%95%B0%E5%AD%A6%E9%A2%98%21)
一.5/11×3/4+6/11÷4/3+0.75
=(5/11+6/11)*3/4+3/4
=3/4+3/4
=3/2
二.1/4÷(1-1/2-1/4)
= 1/4÷1/4
=1
三.7/8×5/13+7/13×3/8
=7/8*(5/13+3/13)
=7/8*8/13
=7/13
四.(9又1/4-3.2)÷2又1/2+1.68
=(6+1/4-1/5)÷5/2+1.68
=121/20*2/5+1.68
=1.42+1.68
=3.1
=(5/11+6/11)*3/4+3/4
=3/4+3/4
=3/2
二.1/4÷(1-1/2-1/4)
= 1/4÷1/4
=1
三.7/8×5/13+7/13×3/8
=7/8*(5/13+3/13)
=7/8*8/13
=7/13
四.(9又1/4-3.2)÷2又1/2+1.68
=(6+1/4-1/5)÷5/2+1.68
=121/20*2/5+1.68
=1.42+1.68
=3.1