Math Math-Love Math = Learn to love 4 digits and subtract 3 digits to get 3 digits. The first four digits can only be 1. Get three digits. The first digit of 3 digits can only be 2.

For example:

The last digit of this three-digit number satisfies the condition that learning * last digit of learning = learning+last digit of learning = number.

Available learning =2, quantity =4.

42*2=42+42=84

I =0, want =4, love =8.

Extended data:

Division means that the quotient obtained by dividing the exponent B by the number a(a≠0) is an integer or a finite decimal, and the remainder is zero, so we say that B can be divided by A (or A can be divided by B). Therefore, the difference between divisibility and division is that divisibility is only when the dividend, divisor and quotient are integers and the remainder is zero. Division is not limited to the range of integers. Divider, divisor and quotient can be integers or finite decimals, as long as the remainder is zero. The relationship between them is a special case of divisibility.

Baidu encyclopedia-divisible