Show:
mdas
add
take away
multiplication
divide
100

what does the m stand for 

multiplication

100

8+9

what is 17

100

100-1

99

100

6x2

12

100

5 divide 1

5

200

ds stand for

divide

take away

200

99+101

200

200

50-13

47

200

5x8

40

200

12 divide 2

6


300

das stand for

divide

add

take away

300

60+300

360

300

1000-3

997

300

8x9

72

300

36 divide 6

6

400

1+2(5x9)9+10=

67

400

440+800+5

1245

400

10000-2000

8000

400

10x1000

10000

400

40 divide 8

5

500

45x2(8x5)1-1=

130

500

1000000+119283

1119283

500

1000000-1000000

0

500

9000x2

18000

500

100 divide 10

10