钟山小升初数学真题试题试卷解析解方程．0.375：X= 5%：0.6??????????? 2X+3×0.9 = 24.7???(X-7)÷3 = 8????????????????X- X = 2

钟山小升初数学真题试题试卷解析解方程．0.375：X= 5%：0.6??????????? 2X+3×0.9 = 24.7???(X-7)÷3 = 8????????????????X- X = 2
一般（0.65）