(6/13*1.7+7/13*1.7)÷7/10 简算,表明简算方法.9*1/8÷9*1/8 1/8*58+1/8*41+1/8
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 02:06:02
![(6/13*1.7+7/13*1.7)÷7/10 简算,表明简算方法.9*1/8÷9*1/8 1/8*58+1/8*41+1/8](/uploads/image/z/7235-35-5.jpg?t=%EF%BC%886%2F13%2A1.7%2B7%2F13%2A1.7%EF%BC%89%C3%B77%2F10+%E7%AE%80%E7%AE%97%2C%E8%A1%A8%E6%98%8E%E7%AE%80%E7%AE%97%E6%96%B9%E6%B3%95.9%2A1%2F8%C3%B79%2A1%2F8+1%2F8%2A58%2B1%2F8%2A41%2B1%2F8)
(6/13*1.7+7/13*1.7)÷7/10 简算,表明简算方法.9*1/8÷9*1/8 1/8*58+1/8*41+1/8
(6/13*1.7+7/13*1.7)÷7/10 简算,表明简算方法.9*1/8÷9*1/8 1/8*58+1/8*41+1/8
(6/13*1.7+7/13*1.7)÷7/10 简算,表明简算方法.9*1/8÷9*1/8 1/8*58+1/8*41+1/8
(6/13×1.7+7/13×1.7)÷7/10
=[(6/13+7/13)×1.7]÷7/10
=1×1.7÷0.7
=17/7
9×1/8÷9×1/8
=(9÷9)×(1/8×1/8)
=1×1/64
=1/64
1/8×58+1/8×41+1/8
=1/8×58+1/8×41+1/8×1
=1/8×(58+41+1)
=1/8×100
=12.5
愿对你有所帮助!