addition/덧셈
Subtraction/뺄셈
multiplication/곱셈
division/나눗셈
Calculation of decimals/소수의 계산
100

5+3

8

100

3-2

1

100

4x5

20

100

12/3

4

100

1.2-1.1

0.1

200

78+12

90

200

5-45

-40

200

12x6

72

200

36/2

18

200

8.7-7.8

0.9

300

124+124+124

372

300

-32-12

-20

300

45x3

135

300

98/2

49

300

3.6/4

0.9

400

999+999

1998

400

654-321

333

400

56x4

224

400

100/25

4

400

88/0.2

440

500

5555+5555

11110

500

6!-4!

696

500

128x8

1024

500

128/64

2

500

78/0.5

156

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