解方程.X÷5/6=30 3/5X-1/4X=7 8/11:10=4/5:X X:28%=1又3/4:0.7 1/2+1/3X=10用递等式计算下列各题,能简算的要简算.486-23x1697x97/987-4/5÷2-3/54.8x9.5+4又4/5x1.5-4.8[1-(1/5+3/10)]÷1/41、李辉家离学校600米,李辉正
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![解方程.X÷5/6=30 3/5X-1/4X=7 8/11:10=4/5:X X:28%=1又3/4:0.7 1/2+1/3X=10用递等式计算下列各题,能简算的要简算.486-23x1697x97/987-4/5÷2-3/54.8x9.5+4又4/5x1.5-4.8[1-(1/5+3/10)]÷1/41、李辉家离学校600米,李辉正](/uploads/image/z/74638-46-8.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B.X%C3%B75%2F6%3D30+3%2F5X-1%2F4X%3D7+8%2F11%EF%BC%9A10%3D4%2F5%EF%BC%9AX+X%EF%BC%9A28%25%3D1%E5%8F%883%2F4%EF%BC%9A0.7+1%2F2%2B1%2F3X%3D10%E7%94%A8%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97%E4%B8%8B%E5%88%97%E5%90%84%E9%A2%98%2C%E8%83%BD%E7%AE%80%E7%AE%97%E7%9A%84%E8%A6%81%E7%AE%80%E7%AE%97.486-23x1697x97%2F987-4%2F5%C3%B72-3%2F54.8x9.5%2B4%E5%8F%884%2F5x1.5-4.8%5B1-%EF%BC%881%2F5%2B3%2F10%EF%BC%89%5D%C3%B71%2F41%E3%80%81%E6%9D%8E%E8%BE%89%E5%AE%B6%E7%A6%BB%E5%AD%A6%E6%A0%A1600%E7%B1%B3%2C%E6%9D%8E%E8%BE%89%E6%AD%A3)
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