It is recommended to buy exercise books in Xinhua Bookstore for the mixed off-type calculation problems in grade three.

Off-line calculation is a mathematical term, that is, recursive calculation, which is an operation to write out the calculation process completely, that is, calculation that is out of vertical.

Some examples

1、30-( 19+2)。

2、(26+28)÷9。

3、3+2×8。

4、(3+5)×6。

5、36÷9×6。

6、 180÷9- 18。

7、(48+52)÷2 1。

8、 100-25×420+80×3。

9、7×(34+56)。

10、 105×2×5。