口算. 72-40= | 30÷5= | 4×5= | 12+29= |
4÷1= | 6÷6= | 35+48= | 5×3= |
38÷4= | 3×0= | 32+20= | 72-8= |
20÷4= | 6×7= | 34÷6= | 6×6= |
18÷3= | 24-6= | 6+45= | 40+27= |
28÷4= | 8×1= | 40÷8= | 8×3= |
91-9= | 7+73= | 32÷6= | 31-24= |
28-7= | 5÷8= | 16-8+24= | 100-49+10= |
________×________=12 | ________÷________=1. |
口算. 72-40= | 30÷5= | 4×5= | 12+29= |
4÷1= | 6÷6= | 35+48= | 5×3= |
38÷4= | 3×0= | 32+20= | 72-8= |
20÷4= | 6×7= | 34÷6= | 6×6= |
18÷3= | 24-6= | 6+45= | 40+27= |
28÷4= | 8×1= | 40÷8= | 8×3= |
91-9= | 7+73= | 32÷6= | 31-24= |
28-7= | 5÷8= | 16-8+24= | 100-49+10= |
________×________=12 | ________÷________=1. |