2.250÷5×8=400

3.6×5÷2×4=60

4.30×3+8=98

5.400÷4+20×5= 200

6. 10+ 12÷3+20=34

7.(80÷20+80)÷4=2 1

8.70+( 100- 10×5)= 120

9.360÷40= 9

10.40×20= 800

1 1.80-25= 55

12.70+45= 1 15

13.90×2= 180

14. 16×6= 96

15.300×6= 1800

16.540÷9=60

17.30×20= 600

18.400÷4= 100

19.350-80= 270

20. 160+70=230

2 1. 18-64÷8= 10

22.42÷6+20=27

23.40-5×7= 5

24.80+60÷3= 100

25.4 1+ 18÷2= 50

26.75- 1 1×5= 20

27.42+7-29= 20

28.5600÷80=70

29.25× 16= 400

30. 120×25= 3000

3 1.36× 1 1= 396

32. 1025÷25=4 1

33.336+70= 406

34.25×9×4= 900

35.200-33×3= 10 1

36.3020- 10 10=20 10

37. 12×50= 600

38.25×8= 200

39.23× 1 1= 253

40. 125÷25=5

4 1.4200-2200=2000

42.220+80= 300

43.20×8×5= 800

44.600-3×200=0

45.20+20÷2= 30

46.35-25÷5= 30

47.36+8-40= 4

48.2800÷40=70

49.98÷ 14 = 7

50.96÷24 = 4

5 1.56÷ 14 =4

52.65÷ 13 = 5

53.75÷ 15 = 5

54. 120÷24 =5

55.200÷25 = 8

56.800÷ 16 = 50

57.840÷2 1 =40

58.560÷ 14 = 40

59.390÷ 13 = 30

60.600÷ 15 =40

6 1.72÷24 = 3

62.85÷ 17 = 5

63.90÷ 15 =6

64.96÷ 16 = 6

65.78÷26 = 4

66.5 1÷ 17 =3

67.80÷40 = 2

68. 100÷20 = 5

69. 100÷4 =25

70.240÷40 = 6

7 1.920÷4 = 230

72.300÷60=5

73.64÷2 = 32

74.64÷4 = 16

75.50÷5 = 10

76.60÷8 = 7.5

77.96÷4 = 24

78.90÷6 = 15

79.400+80 = 480

80.400-80 = 320

8 1.40×80 =3200

82.400÷80 = 5

83.48÷ 16 = 3

84.96÷24 =4

85. 160×5= 800

86.4×250= 1000

87.0×5 18= 0

88. 10×76= 760

89.36× 10=360

90. 15×6= 90

9 1.24×3= 72

92.5× 18= 90

93.26×4= 74

94.7× 15= 105

95.32×30= 960

96.40× 15= 600

97.60× 12= 720

98.23×30= 690

99.30×50= 1500

100.5×700=350

My hands are tired. Give me the best answer in four hours.