บวก
ลบ
คูณ
หาร
ระคน
150

53+35

88

150

54-45

9

150

120 x 11

1320

150

436/2

218

150

(4+3)x(8-3)

35

200

28+44+12

88

200

90-12-28

50

200

6x5x90

2700

200

300/12

25


200

(12x5)-(11x3)

27

300

255+45+120

420

300

1000-550-150

300

300

80x5,000x10

4,000,000

300

5,050/50

101

300

(2+3+7)/4

3

400

1230+1230+1230

3690

400

2567-567-900

1100

400

4x3x12x2x10

2880

400

144/2/8/3

3

400

(9-7)x(12-2)+100

120

500

555+111+.......=6666

6000


500

4200-300-........=1000

2900

500

4x5x..........=200,000

10,000

500

1200 / .......... = 30

40

500

.......+108 = 12 x 9

0

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