2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8= 98
5.400÷4+20×5= 200
6.112÷3+20=34
7.(80÷280)÷ 4=21
8.7(100-10×5)=120
9.360÷410= 19
10.40×20-200= 600
11.(80-25)*2= 110
12.745=115
13.90×2÷3= 60
14.16×6÷3= 32
15.300×6÷9= 200
16.540÷9×7=420
17.30×20÷15= 20
18.400÷4×7= 700
19.(350-80)÷9= 30
20.16750=280
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.860÷3= 100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16÷4= 100
30.120×25÷5= 600
31.36×11÷3= 132
32.1025÷25×8=328
33.336+70-6= 400
34.25×9×4= 900
35.200-33× 3= 101
36.3020-1010=2010
37.12×510= 610
38.25×8+199= 399
39.23×11-13= 240
40.125÷25-5=0
41.4200-220200=2200
42.2280-150=150
43.20×8×5= 800
44.600-3×200=0
45.220÷2= 30
46.35- 25÷5= 30
47,36+8-40= 4