1.口算
6×3-13= | 2×4+15= | 80-7×9= |
30-3×8= | 36-9×2= | 31-6×2= |
4×9-25= | 33+3×7= | 15+8×4= |
6×8-39= | 4×3+56= | 4×7-12= |
5×2+42= | 9×1+7= | 6×6-18= |
10×3＋9= | 72-8×7= | 48-6×7= |
20 -3×4= | 7×2+16= | 5×9-21= |
9-4×2= | 65+85-30= | 11×5-40= |
6×9+7= | 9×2＋34= | 68-24-40= |
2×5+12= | 37-5×5= | 7×5-22= |
【考点】
100以内数乘法与加减法的混合运算;
