Show:
3rd grade Adding
4th multiplication
5th multiplication
Subtraction
Division
100

4+7+13

24

100

91x2

182

100

4970x4

19880

100

32-15

17

100

5[200

40

200

4+3+85

92

200

34x4

136

200

7995x6

47970

200

91-79

12

200

8[856

107

300

384+860

1244

300

216x2

432

300

257x50

12850

300

253-133

120

300

3[552

184

400

708+511

1219

400

637x6

3822

400

942x17

16014

400

725-371

354

400

7[987

141

500

614+831+934

2379

500

5453x7

38171

500

517x82

42394

500

251-153

98

500

5[980

196