Question

class 4 math subject ​

Answer 1

Answer:

6-1=5

10+5=15

7+5=12

15+1=16

Step-by-step explanation:

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Answer 2

Answer:

V = 5

XV = 15

XII = 12

XVI = 16

Step-by-step explanation:

I = 1

V = 5

X = 10

If a smaller number is in front of a big number its a add, but if the small number is behind the big number than it is minus