Question

Write divisibility rule of 69
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Answer 1

Step-by-step explanation:

1- add both no. like 6+9=15

2- if 15 is divisible by 3 then 69 is also divisible by 3

Answer 2

Add twice the last digit to the rest. 437: 43 + 7 × 2 = 57. Add 4 times the last two digits to the rest. 6935: 69 + 35 × 4 = 209.