2/3÷8+1/3×1/8(简便计算) (2+2/3)✘=7/9(解方程)

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2/3÷8+1/3×1/8(简便计算)(2+2/3)✘=7/9(解方程)2/3÷8+1/3×1/8(简便计算)(2+2/3)✘=7/9(解方程)2/3÷8+1/3×1/8(

2/3÷8+1/3×1/8(简便计算) (2+2/3)✘=7/9(解方程)
2/3÷8+1/3×1/8(简便计算) (2+2/3)✘=7/9(解方程)

2/3÷8+1/3×1/8(简便计算) (2+2/3)✘=7/9(解方程)