Question

write all 3digits number using 7,8,9​

Answer 1

Answer:

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Step-by-step explanation:

7*89=623

7*98=686

8*79=632

8*97=776

9*78=702

9*87=783

7*8*9=504

(7+8)*9=135

(8+9)*7=119

(7+9)*8=128

So total 16 numbers can be formed. But if we consider both positive and negative numbers then it will be 32.

Answer 2

Answer:

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