数学“求未知数” 10-4X=5X+73 15X=54-9X 14x-14乘31=58 20+5X-4=36 20÷(10÷X)=4 4x+x-14+6=32例如:(X+5)÷2=25X+5=25乘5X+5=5050-5=45
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![数学“求未知数” 10-4X=5X+73 15X=54-9X 14x-14乘31=58 20+5X-4=36 20÷(10÷X)=4 4x+x-14+6=32例如:(X+5)÷2=25X+5=25乘5X+5=5050-5=45](/uploads/image/z/1593244-28-4.jpg?t=%E6%95%B0%E5%AD%A6%E2%80%9C%E6%B1%82%E6%9C%AA%E7%9F%A5%E6%95%B0%E2%80%9D+10-4X%3D5X%2B73+15X%3D54-9X+14x-14%E4%B9%9831%3D58+20%2B5X-4%3D36+20%C3%B7%2810%C3%B7X%29%3D4+4x%2Bx-14%2B6%3D32%E4%BE%8B%E5%A6%82%EF%BC%9A%EF%BC%88X%2B5%EF%BC%89%C3%B72%3D25X%EF%BC%8B5%3D25%E4%B9%985X%EF%BC%8B5%3D5050%EF%BC%8D5%3D45)
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