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Conversion of secondary coins
The conversion topic of secondary currency: RMB, which is very useful and needs shopping by car.

One point, two points and five points, life doesn't need it anymore. Ten cents, twenty cents and fifty cents are all shopping change.

Coin conversion is a mathematical knowledge point in the second grade of primary school.

Related words:

First, money:

Interpretation: rich.

Second, the price:

Interpretation: price: parity.

Third, big money:

Explanation:

1, an old copper coin, which is larger than ordinary copper coins and has higher value as a currency, generally refers to money: worthless.

2. refers to a lot of money: make a lot of money.

Fourth, make money:

Interpretation: amassing wealth; Make money, make a profit

Five, make money:

Interpretation: working to make money.