2.8×0.4＝1.12

14－7.4＝6.6,

1.92÷0.04＝48,

0.32×500＝160,

0.65＋4.35＝5

10－5.4＝4.6,

4÷20＝0.2,

3.5×200＝700,

1.5－0.06＝1.44

0.75÷15＝0.05,

0.4×0.8＝0.32,

4×0.25＝1,

0.36＋1.54＝2

1.01×99＝99.99,

420÷35＝12,

25×12＝300,

135÷0.5＝270

3/4+1/4=1,

2+4/9=22/9,

3-2/3=7/3,

3/4-1/2=1/4

1/6+1/2-1/6=1/2,

7.5-(2.5+3.8)=1.2,

7/8+3/8=5/4

3/10+1/5=1/2,

4/5-7/10=1/10,

2-1/6-1/3=1.5

0.51÷17＝0.03,

32.8＋19＝51.8,

5.2÷1.3＝4,

1.6×0.4＝0.64

4.9×0.7＝3.43,

1÷5＝0.2,

6÷12＝0.5,

0.87－0.49＝0.38

1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)

2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)

3.8+2-8+2

4.25*4/25*4

5.7.26-(5.26-1.5)

6.286+198

7.314-202

8.526+301

9.223-99

10.6.25+3.85-2.125+3.875

11.9-2456*21

12.0.5/11.5-4*2.75

13.1/2×3/5

14.3.375+5.75+2.25+6.625

15.1001－9036÷18

16.3.8×5.25+14.5

17.2.1*4.3+5.7*2.1

18.30×1/3

19.102*45-328

20.2/3×12

21.2.8*3.1+17.6/8

22.3/5×5/6

23.(50-12.5)/2.5

24.2/5×1/3

25.6110*47+639

26.1/2-1/6

27.3.5*2.7-52.2/18

28.1/7×1/5

29.3.375*0.97+0.97*6.625

30.25×4/5

31.6.54+2.4+3.46+0.6

32.5/6-1/2

33.95.6*1.8+95.6*8.2

34.1/2×1/5

35.600-420/12

36.344/3.6-5.4*0.25

37.16/2+30/2+90/6

38.3001-1998.

39.5000-105*34

40.0.15/0.25+0.75*1.2

41.(1/2+1/3+1/4)*0.24

42.(25+4)*4

43.300-4263/21

44.0.81/0.25+5.96

45.403÷13×27

46.1.5×4.2－0.75÷0.25

47.3.27×4+3.27×5.7

48.（1.2+1.8）×4.51025－768÷32

49.0.25×80－0.45÷0.9

50.1025－768÷32

51.0.25*2.69*4

52.2348+275*16

53.2/9*15/8-1/12*9/5

54.2.4+2.4*(5.375-3.375)

55.645-45*12

56.0.15+1.2/0.24-0.45

57.3.75-(2.35+0.25/1.25)

58.76*1/4+23*25/100+0.25

59.10-2.87-7.13

60.0.96+9.6*9.9

61.7.5-5.7*1/3

62.12.37-3.25-6.75

63.16*6.8+2.2*16+16

64.401*19+284

65.58.7-16.65/3.7

66.0.4*4.7*2.5+(2.3+5.3)

67.9.31-1.125-7.875

68.640+128*45

69.8.2*1.6-0.336/4.2

70.400*(0.62+0.08)

59+73=13283+38=12156+74=130162+959=1021135+69=20447+98=145

536+469=1000915+85=1000351+649=1000

208+792=1000873+127=1000989+109=1098

80+370=450120-80=406×4+5=29

82-（9×8）=1064÷8=845+37=82

94-28=66（72-30）÷6=7510+400=910

82-39=4356÷7=836+28÷7=40

47+35=82620+80=7005×7+8=43

74-4×7=26725+275=1000328+672=100

641+359=1000936+64=1000183+817=1000

649+326=1075720-465=255800-235=565

905-245=660634-57=577459-68=391

754-697=57900-768=132953-804=149

801-765=36200-94=106706-327=379

936-588=348825-648=177728-439=289

473-387=86400-84=316302-187=115

517-253=264908-129=779716-224=492

483-194=289800-324=476975-385=590

500-222=278906-345=561900+820=1720

235+198=433398+299=697620-489=131

502-488=14806-728=78594+382=976

469+247=516365+640=1005548-279=269

249+781=1030900-374=526724-385=339

690-305=385638-276=362243+467=710

800-465=335905-368=537687+329=1016

706-499=207888+135=1023364+436=800675-388=287716+235=805947-828=119

563+245=805655-135=520409+198=607

500-367=133702+268=970298+7