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adding

100

200+5=?

what is 205

200

3+3+9=?

what is 15

300

18+9=?

what is 27

400

1+1=?

what is 2

500

100+100=?

what is 200

linear Equations

100

7(p-5)=30

p=65

200

4(5x-2)=2(9x+3)

x=7

300

4(5x+3)=14x+30

x=3

400

6x+15=6(x-3)

0=-3

500

x+4(x+5)=40

x=4

multiplication

100

4x4=

16

200

2x2=

4

300

12x12=

144

400

10x10

100

500

5x5=

²⁵

division

100

16/4

4

200

4/2

2

300

144/12

12

400

100/10

10

500

25/5

5

inverse operations

100

5-2=3

2+3=5

200

11-5=6

5+6=11

300

10-5=5

5+5=10

400

10-9=1

9+1=10

500

12-7=5

5+7=12