问题
解答题
小明等46位同学举行联欢会，将写有各自学号的小纸条放进盒子内，从中抽取一张纸条．求抽取纸条恰为小明学号的可能性大小．
答案
学号共有46张，抽到恰为小明学号D 可能性是：1÷46=
．1 46
答：抽取纸条恰为小明学号的可能性是
．1 46
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小明等46位同学举行联欢会，将写有各自学号的小纸条放进盒子内，从中抽取一张纸条．求抽取纸条恰为小明学号的可能性大小．
学号共有46张，抽到恰为小明学号D 可能性是：1÷46=
．1 46
答：抽取纸条恰为小明学号的可能性是
．1 46
| 选用方框内所给词的适当形式填空。 | |
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| 1. Nobody taught Ann to cook. She learnt it by _________. 2. My father _________ the broken bike when I came home yesterday. 3. —What’s in the forests? —I don’t know. Maybe there are some dangerous animals, such as _________. 4. John told a joke just now. It made us _________ again and again. 5. Of all the languages, English is the most_________. |