30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 13:00:58
![30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算](/uploads/image/z/1248542-62-2.jpg?t=30x%EF%BC%881%2F5%2B1%2F3%EF%BC%89+2%2F3x5%2F7%2B2%2F3x2%2F7+5%2F6%E9%99%A4%E4%BB%A53%2B1%2F6x1%2F3+0%E9%99%A4%E4%BB%A55%2F9%2B5%2F6x4%E7%94%A8%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%9730x%EF%BC%881%2F5%2B1%2F3%EF%BC%89+2%2F3x5%2F7%2B2%2F3x2%2F7+5%2F6%E9%99%A4%E4%BB%A53%2B1%2F6x1%2F3+0%E9%99%A4%E4%BB%A55%2F9%2B5%2F6x4%E7%94%A8%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算
30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算
30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算
30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算30x(1/5+1/3) 2/3x5/7+2/3x2/7 5/6除以3+1/6x1/3 0除以5/9+5/6x4用简便运算
30x(1/5+1/3)
=30*(1/5)+30*(1/3)
=6+10
=16
2/3x5/7+2/3x2/7
=2/3*(5/7+2/7)
=2/3*1
=2/3
5/6除以3+1/6x1/3
=5/6*(1/3)+1/6*(1/3)
=1/3*(5/6+1/6)
=1/381
=1/3
0除以5/9+5/6x4
=0+5/24
=5/24
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