Seven pigs, eight rabbits and nine monkeys. The title means the addition, subtraction, multiplication and division of these numbers.

You can fill in:

1、7+8+9=24;

2、7+8-9=6;

3、7+9-8=8;

4、8+9-7= 10。

Note: here are only a few cases of addition and subtraction, and those who can multiply and divide can be listed by themselves.

Similar themes:

Extended data:

Look at the order of solving problems in the chart:

(1) First, find the question mark "?" Where is it? (Find unknown conditions) Find known conditions (calculate clearly).

(2) Column calculation (with units).

(3) Check whether the number of the formula is equal to "?" The relationship between them is the same.