3/7 × 49/9 - 4/3
8/9 × 15/36 + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 1/慎如4
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/15
17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 21
1+1/5+1/6-1/12-1/1=?
1+1/5+1/6-1/12-1/2=?
1+1/5+1/6-1/12-1/3=?
1+1/5+1/6-1/12-1/4=?
1+1/5+1/6-1/12-1/5=?
1+1/5+1/6-1/12-1/6=?
1+1/5+1/6-1/12-1/7=?
1+1/5+1/6-1/12-1/8=?
1+1/5+1/6-1/12-1/9=?
1+1/5+1/6-1/12-1/10=?
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/15
17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/宽燃启7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/段岩7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 21
3/4-3/5+4/5-4/6+5/6-5/7=?
1/2-1/2-1/2+1/2=?
1/100000+3-32/867=?
1+1/2-1/3=?
15265357163237515632536721653/10+1=?
67/68+34/35-23/24=?
89/90+123/124-234/235=?
9/7-8/5=?
2/1+3/2=?
8/5-6/1=?
5/3+7/2=?
6/7-8/3=?
9/8-6/5+3/1=?
3/2-6/3+5/2-4/3=?
8/5-7/3+9/2+3/1=?
3/7 × 49/9 - 4/3
8/9 × 15/36 + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 1/4
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
8/2 -( 3/2 + 4/5 )
4/7+ ( 1/8 + 1/9 )
5/6 + 5/6
2× 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/15
17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 21
50+160÷40 (58+370)÷(64-45)
120-144÷18+35
347+45×2-4160÷52
58+37)÷(64-9×5)
95÷(64-45)
178-145÷5×6+42 420+580-64×21÷28
812-700÷(9+31×11) (136+64)×(65-345÷23)
85+14×(14+208÷26)
(284+16)×(512-8208÷18)
120-36×4÷18+35
(58+37)÷(64-9×5)
5/4+3/肢简6+5/1
6/4-4/3+5/1
9/8+8/9-8/7
2/3-2/5+2/4=
5/7+7/5+7/2-5/2=
6/8-6/5+2/5=
5/8-6/4-2/7+7/5=
2/8+5/9-3/5=
8/7-3/2+3/4=
9/5-2/1+3/5=
6/7-5/2+7/5=
8/5-8/3+6/5=
9/2+5/4+9/8-5/4=
6/7-2/8+3/7=
/37+2/8-9/蠢做1=
2/1+3/2-4/3=
5/7-2/7+3/8=
2/5-3/历档裤4-3/2+2/9=
8/7+9/1-7/4=
9/5+4/7-8/5=
7/6+3/2-7/3=
5/4+7/1-5/4=
7/4+5/3-6/5=
2/3-2/5+2/4=
5/7+7/5+7/2-5/2=
6/8-6/5+2/5=
5/8-6/4-2/7+7/5=
2/8+5/9-3/5=
8/7-3/2+3/4=
9/5-2/1+3/5=
6/7-5/2+7/5=
8/5-8/3+6/5=
9/2+5/4+9/8-5/4=
6/7-2/8+3/7=
/37+2/8-9/1=
2/1+3/2-4/3=
5/7-2/7+3/8=
2/5-3/4-3/2+2/9=
8/7+9/1-7/4=
9/5+4/7-8/5=
7/6+3/2-7/3=
5/4+7/1-5/4=
7/4+5/3-6/吵腔5=
2/5-3/2-5/2=
8/5-5/8-2/8-1/7+6/8+2/7=
5/7-6/7+2/7=
6/7+3/升磨衫5-7/1=
5/7-2/4+3/7=
6/7+3/5-2/9=
2/5+2/8-3/7=
2/7+3/8-2/8
3/游悄5-3/5+6/5=
5/3-3/5+3/5=
3/5+5/7-3/7=
好!下面我来发给你.
切找参考书嘛
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