口算.
2.5×0.4= | 1.5×2= | 0.7×7= | 7.3+0.3= |
0.53-0.3= | 1.8×0.5= | 0.9×0.01= | 0.23×3= |
0.56÷8= | 1.23×3= | 1.6÷0.04= | 7.3+2.7= |
2-1.2= | 7.8÷6= | 8.4÷0.21= | 8.4÷0.7= |
2.5×0.4= | 1.5×2= | 0.7×7= | 7.3+0.3= |
0.53-0.3= | 1.8×0.5= | 0.9×0.01= | 0.23×3= |
0.56÷8= | 1.23×3= | 1.6÷0.04= | 7.3+2.7= |
2-1.2= | 7.8÷6= | 8.4÷0.21= | 8.4÷0.7= |