解方程3/4x-16.8=20.6 7/8x-0.87=16.9 3÷2x=6.2 (1/2-5/11)*(5/9*2/
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解方程3/4x-16.8=20.6 7/8x-0.87=16.9 3÷2x=6.2 (1/2-5/11)*(5/9*2/3) 8.6-3/4x=2.7
![解方程3/4x-16.8=20.6 7/8x-0.87=16.9 3÷2x=6.2 (1/2-5/11)*(5/9*2/](/uploads/image/z/8695497-57-7.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B3%2F4x-16.8%3D20.6+7%2F8x-0.87%3D16.9+3%C3%B72x%3D6.2+%EF%BC%881%2F2-5%2F11%EF%BC%89%2A%EF%BC%885%2F9%2A2%2F)
【参考答案】
①3/4x-16.8=20.6
3/4x=37.4
x=748/15
②7/8x-0.87=16.9
7/8x=17.77
x=3554/175
③3÷2x=6.2 (1/2-5/11)*(5/9*2/3)
3÷2x=6.2×(1/22)×(10/27)
3÷2x=31/297
2x=891/31
x=891/62
④8.6-3/4x=2.7
3/4x=5.9
x=118/15
再问: 3÷2x=6.2 (1/2-5/11)*(5/9*2/3) 这两题不是连起来的是分散的
再答: ③3÷2x=6.2 2x=3÷6.2 2x=15/31 x=15/62
①3/4x-16.8=20.6
3/4x=37.4
x=748/15
②7/8x-0.87=16.9
7/8x=17.77
x=3554/175
③3÷2x=6.2 (1/2-5/11)*(5/9*2/3)
3÷2x=6.2×(1/22)×(10/27)
3÷2x=31/297
2x=891/31
x=891/62
④8.6-3/4x=2.7
3/4x=5.9
x=118/15
再问: 3÷2x=6.2 (1/2-5/11)*(5/9*2/3) 这两题不是连起来的是分散的
再答: ③3÷2x=6.2 2x=3÷6.2 2x=15/31 x=15/62
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