先用计算器算出每组前三个算式的得数，再根据规律直接写出其他算式的得数．
| ⑴24÷8= |
⑵21×9= |
| ⑶2424÷8= |
⑷321×9= |
| ⑸24242424÷8= |
⑹4321×9= |
| ⑺2424242424÷8= |
⑻54321×9= |
| |
⑼654321×9= |
先用计算器算出每组前三个算式的得数，再根据规律直接写出其他算式的得数．
| ⑴24÷8= |
⑵21×9= |
| ⑶2424÷8= |
⑷321×9= |
| ⑸24242424÷8= |
⑹4321×9= |
| ⑺2424242424÷8= |
⑻54321×9= |
| |
⑼654321×9= |
﹣
×34×7×
×
+
．
×
=
=
×
=
+
=
×0=
×
=
×2=
×
=
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