Xiaoxiao and Naughty Bao saved 86.9 yuan. If you move the decimal point of Xiao Shao Cun to the left by one place, Xiao Shao and

Their money is: 753.6 yuan for laughter and 75.36 yuan for pottery.

Analysis: According to the problem, if the decimal point of Xiao Xiaocun is moved to the left, his money is as much as that of pottery, and the money of pottery is one tenth of that of Xiao Xiao, then 828.96/1= 75.3,675.36 *10 = 753.6.

The essence of division:

1, the dividend is enlarged (reduced) by n times, and the quotient is correspondingly enlarged (reduced) by n times under the condition that the divisor is unchanged.

2. The divisor is expanded (reduced) by n times, while the dividend is unchanged, and the quotient is correspondingly reduced (expanded) by n times.

3. Nature of division: dividing the dividend by two divisors is equal to dividing by the product of these two divisors.