口算.
36+4= | 52-8= | 35+28= | 44-37= |
3×9= | 4×6= | 5×7= | 8×4= |
6×8= | 7×9= | 9×8= | 5×4= |
4×8+20= | 9×9-7= | 2×9-9= | 6×8+5= |
【答案】40,44,63,7;27,24,35,32;48,63,72,20;52,74,9,53.
【解答】
【点评】
声明:本试题解析著作权属菁优网所有,未经书面同意,不得复制发布。
发布:2024/7/21 8:0:9组卷:2引用:2难度:0.9
36+4= | 52-8= | 35+28= | 44-37= |
3×9= | 4×6= | 5×7= | 8×4= |
6×8= | 7×9= | 9×8= | 5×4= |
4×8+20= | 9×9-7= | 2×9-9= | 6×8+5= |