| 3.5×0.2= | 10÷0.5= | 4×0.25= | 0.63÷0.9= |
| 0.99÷0.01= | 1.2×4= | 3.9×0.1= | 1.25×0.8= |
| 0÷150= | 32÷0.4= | 1.2×0.1= | 6.3÷0.9= |
| 6×0.25= | 2.6×100= | 32×0.4= | 2600÷100= |
| 32.8÷8= | 1.64÷4= | 300÷60= | 18×700= |
| 400÷80= | 64÷4= | 360÷20= | 420÷70= |
| A．20 | B．2 | C．0.02 | D．0.2 |
| 9.73+0.27= | 6﹣1.55= |
| 3.05×0.66= | 22.5÷0.25= |
| A．不变 | B．变大 | C．变小 | D．无法确定 |
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