七年级数学试题会的答某辆摩托车的油箱可装油10L,原来有2L,现再加入x L,若每升汽油为2.3元,求出汽油总价y 与x之间的函数关系式该摩托车上坡每升汽油可行驶a km ,下坡每升汽油可行驶b km,若
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![七年级数学试题会的答某辆摩托车的油箱可装油10L,原来有2L,现再加入x L,若每升汽油为2.3元,求出汽油总价y 与x之间的函数关系式该摩托车上坡每升汽油可行驶a km ,下坡每升汽油可行驶b km,若](/uploads/image/z/5396941-37-1.jpg?t=%E4%B8%83%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6%E8%AF%95%E9%A2%98%E4%BC%9A%E7%9A%84%E7%AD%94%E6%9F%90%E8%BE%86%E6%91%A9%E6%89%98%E8%BD%A6%E7%9A%84%E6%B2%B9%E7%AE%B1%E5%8F%AF%E8%A3%85%E6%B2%B910L%2C%E5%8E%9F%E6%9D%A5%E6%9C%892L%2C%E7%8E%B0%E5%86%8D%E5%8A%A0%E5%85%A5x+L%2C%E8%8B%A5%E6%AF%8F%E5%8D%87%E6%B1%BD%E6%B2%B9%E4%B8%BA2.3%E5%85%83%2C%E6%B1%82%E5%87%BA%E6%B1%BD%E6%B2%B9%E6%80%BB%E4%BB%B7y+%E4%B8%8Ex%E4%B9%8B%E9%97%B4%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F%E8%AF%A5%E6%91%A9%E6%89%98%E8%BD%A6%E4%B8%8A%E5%9D%A1%E6%AF%8F%E5%8D%87%E6%B1%BD%E6%B2%B9%E5%8F%AF%E8%A1%8C%E9%A9%B6a+km+%2C%E4%B8%8B%E5%9D%A1%E6%AF%8F%E5%8D%87%E6%B1%BD%E6%B2%B9%E5%8F%AF%E8%A1%8C%E9%A9%B6b+km%2C%E8%8B%A5)
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