3.5:0.4=x:8 x:3=2.8:4 42:x=3:6 5.4:2.7=0.4:x 0.4:x=(1+七分之一):5 解完这些比例
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![3.5:0.4=x:8 x:3=2.8:4 42:x=3:6 5.4:2.7=0.4:x 0.4:x=(1+七分之一):5 解完这些比例](/uploads/image/z/4015713-57-3.jpg?t=3.5%EF%BC%9A0.4%3Dx%EF%BC%9A8+x%EF%BC%9A3%3D2.8%3A4+42%EF%BC%9Ax%3D3%3A6+5.4%3A2.7%3D0.4%EF%BC%9Ax+0.4%EF%BC%9Ax%3D%EF%BC%881%2B%E4%B8%83%E5%88%86%E4%B9%8B%E4%B8%80%EF%BC%89%EF%BC%9A5+%E8%A7%A3%E5%AE%8C%E8%BF%99%E4%BA%9B%E6%AF%94%E4%BE%8B)
3.5:0.4=x:8 x:3=2.8:4 42:x=3:6 5.4:2.7=0.4:x 0.4:x=(1+七分之一):5 解完这些比例
3.5:0.4=x:8 x:3=2.8:4 42:x=3:6 5.4:2.7=0.4:x 0.4:x=(1+七分之一):5 解完这些比例
3.5:0.4=x:8 x:3=2.8:4 42:x=3:6 5.4:2.7=0.4:x 0.4:x=(1+七分之一):5 解完这些比例
3.5:0.4=x:8
0.4x=3.5×8
0.4x=28
x=28÷0.4
x=70
x:3=2.8:4
4x=3×2.8
x=3×2.8÷4
x=2.1
42:x=3:6
3x=42×6
x=42×6÷3
x=84
5.4:2.7=0.4:x
5.4x=2.7×0.4
x=2.7×0.4÷5.4
x=0.2
0.4:x=(1+七分之一):5
8x/7=0.4×5
x=7/8×4
x=7/2
3.5:0.4=x:8
0.4x=3.5×8
0.4x=28
x=28÷0.4
x=70
x:3=2.8:4
4x=3×2.8
x=3×2.8÷4
x=2.1
42:x=3:6
3x=42×6
x=42×6÷3
x=8...
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3.5:0.4=x:8
0.4x=3.5×8
0.4x=28
x=28÷0.4
x=70
x:3=2.8:4
4x=3×2.8
x=3×2.8÷4
x=2.1
42:x=3:6
3x=42×6
x=42×6÷3
x=84
5.4:2.7=0.4:x
5.4x=2.7×0.4
x=2.7×0.4÷5.4
x=0.2
0.4:x=(1+七分之一):5
8x/7=0.4×5
x=7/8×4
x=7/2提问者评价爱死你了~~3Q
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