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Children's math vase
There may be 1, 2, 3, 4, 5 left.

There are at least seven vases in each vase.

Analysis: This problem is actually a division problem, and whether there is a remainder is the remainder of division.

There are 6 flowers in each vase, which can be regarded as the divisible quotient of 6, so the remainder must not be greater than 6, so 1, 2, 3, 4, 5 flowers are possible.

Extended data

1, correctly understand the meaning of the remainder:

When calculating the division formula of average score, there are two kinds of results, one is that the score is just used up, and the other is that there is a surplus, that is, the surplus is not enough to be subdivided, which is called "remainder" in mathematics. That is, what is left after the average score, not enough points.

2, understand the relationship between remainder and divisor:

In the division formula with remainder, the remainder is left because it is not divided enough, so it must be less than the divisor. If the remainder is equal to or greater than the divisor, it means that it can be subdivided.

3, master the vertical calculation with remainder division:

When dividing vertically, you must write the divisor first, then the dividend and divisor, and then find the quotient. The product of quotient and divisor is written under the dividend, and the difference between dividend and product is the remainder. Finally, write the remainder at the bottom of the vertical line.