Show:
math1
math 1"10
math 100
100

5+7

12

100

8+10

18

100

100+100

200

200

what the third planet from the sun

is it earth

200

7+10

17

200

200+400

600

300

6+1

7

300

10+2

12

300

300+2

302

400

8+9

17

400

10+10

20

400

900+4

904

500

9+10

19

500

8+2

10

500

500+5

505