1.125*3+125*5+25*3+25 =1000+100=1100
2.9999*3+101*11*(101-92) =132 209
3.(23/4-3/4)*(3*6+2) =100
4.3/7 × 49/9 - 4/3 =1
5.8/9 × 15/36 + 1/27 =0.40740740740741
6.12× 5/6 – 2/9 ×3 =9又三分之一
7.8× 5/4 + 1/4 =10.25
8.6÷ 3/8 – 3/8 ÷6 =15.9375
9.4/7 × 5/9 + 3/7 × 5/9 =2又9分之1
10.5/2 -（ 3/2 + 4/5 ）= 5分之1
11.7/8 + （ 1/8 + 1/9 ）= 1又9分之1
12.9 × 5/6 + 5/6 =3分之25
13.3/4 × 8/9 - 1/3 =3分之一
14.7 × 5/49 + 3/14 =14分之13
15.6 ×（ 1/2 + 2/3 ） =6
16.8 × 4/5 + 8 × 11/5 =24
17.31 × 5/6 – 5/6 =25
18.9/7 - （ 2/7 – 10/21 ）= 1又21分之10
19.5/9 × 18 – 14 × 2/7 =6
20.4/5 × 25/16 + 2/3 × 3/4=4分之7