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Is this true
100

10+5

15

100

10-5

5

100

Is it true that 5+5=9+1?

True.

200

10+3

13

200

20-10

10

200

Is it true that 5+5 equals 20?

No 5+5 equals 10.

300

5+8

13

300

10-8

2

300

Is it true that 10+5 equals 15?

True.

400

20+8=

28

400

20-20

0

400

Is it true that 20-10 equals 15?

No because 20-10 equals 10.

500

100+0

100

500

100-100

0

500

Is it true that 20+4 equals 25?

No because 20+4 equals 24.