________÷6=5…3 | 47÷________=7…5 | 19÷________=________…4 |
________÷3=7…________ | ________÷________=2…8 | 32÷________=________…5. |
填表
r(厘米) | 3 | ________ | ________ | 2 | ________ | ________ | ________ | 4 |
d(厘米) | ________ | 4 | ________ | ________ | 6 | ________ | 10 | ________ |
C(厘米) | ________ | ________ | 12.56 | ________ | ________ | 31.4 | ________ | ________ |
S(面积) | ________ | ________ | ________ | ________ | ________ | ________ | ________ | ________ |