20以内加减法(自动出题,含答案)1

题目答案

1.15 6.211.1716.1821.1226.1331.1236.1341.14

2.87.1012.2017.122.327.1032.337.1042.20

3.198.313.1018.323.1828.433.1838.443.17

4.159.314.1119.1924.729.434.739.444.4

5.410.915.1620.525.1830.1635.1840.1645.6