1/9+1/5+3/5+4/9+2/3+7/8+1/6+5/7+3/7+5/8+3/5+1/8+2/9=?

5/9+（3/4-1/2） 1+2+3+5+4+6+9 脱式计算 2/3+5/9-2/3+5/9 3/9-(1/4-1/9)-3/4 5+1+2+1+3+9+8+4+5 1+2+3+4-6+5-8+9-9= 1+1+2+2+3+3+4+4+5+5+6+67+78+8+9+9 算一算,并找出规律1/9 2/9 3/9 4/9 5/9 6/9 7/9 8/9 1×1×9×9×9×9×8×7×6×5×4×3×2×120 5/9÷1/3-2/9÷1/3 (1/4+5/6)X24/25 -|-2/3-(+2/3)|-|(-1/5)+(-2/5)| |4/7-2/5|-|3/5-7/9|+|2/9-3/7| (1/3+2/5+3/7+4/9)/(4/3+8/5+12/7+16/9) 5/6+27+5/9+1/6+1/7+3/7+5/9+4/7+2/5+4/9+4/5+1/5+2/9=? 4/9×3/5-1/5 2-3/1等于多少 3-9/5 2/1+0.5 7又9/4-5 从+,-,×,÷,【】中选去适当的符号添在等号左边,使等式成立5 5 5 5 5 =1 5 5 5 5 5 =3 9 9 9 9 9 =3 5 5 5 5 5 =2 5 5 5 5 5 =4 9 9 9 9 9 =20应该是9 9 9 9 9 =17 1/9+1/5+3/5+4/9+2/3+7/8+1/6+5/7+3/7+5/8+3/5+1/8+2/9=? /1/3-1/2/+/1/4-1/3/+/1/5-1/4/+.+/1/10-1/9/ |1/3-1/2|+|1/4-1/3|+|1/5-1/4|+...+|1/10-1/9|