2 years ago

Help me please I’m begging

Mathematics

2 answers:

lara31 [8.8K]2 years ago

8 0

Answer:

a)21

b)7

Step-by-step explanation:

9 times 2 =18 18+3=21

7 times 2 equals 14 plus 3 =17

AnnZ [28]2 years ago

3 0

Answer:

a) 21

b) 7

Step-by-step explanation:

For a, use the number machine to get the output.

9 ×2 =18 +3 =21

For b, do the opposite and work backwards starting from the output.

17 -3 =14 ÷2 =7

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