關於coco的問題

請問這題如何用乘法公式？謝謝！

- 1 一、單選題(每題6分,共 18分) 67, (2)利用乘法公式計算7×9×(87+1)(8+1)(88+1)=2"-1,其中n為正整數, 則r 之值為下列哪一個選項? (1) 16 (2) ( (2) 24 dto (3) 36 (4) 48 (5) 96

已解決回答數: 2

英文高中 3年以上以前

求解第18題謝謝

18 in San Francisco. C 11. II. 綜合測驗:20% Research suggests that over 95% of American schoolchildren recognize Ronald McDonald. It appears he is so popular in the US that even Santa Claus has met with some serious competition! A series of TV ads that was aired all over America in 1963 first 12. McDonald's to use a clown as their official mascot*. At the time, the actor Willard Scott | 13. bring Ronald to life and to people in their living rooms. Three years later, a circus clown named Coco 14. some planning and gave Ronald a new look. Suddenly, he had the red nose and white clown makeup he would later become so famous for. 15. he wore a bright new red and yellow costume. By the middle of 2019, viewers 16. the role of the TV Ronald played by ten different actors. In Addition, hundreds of people have 17. as the well-known clown in real life since 1963. The fast-food ant has found 18. very effective 18. this figure to promote their products as well as 9 鸞文化肯定自己》肯定不同 1.

已解決回答數: 1

數學高中 3年以上以前

想問這一題，上課算式可能沒抄完整，算了好幾次都算不出正確答案，請問是算式沒抄對還是其他問題呢？謝謝！

(少設A(a),B(b)為數線上兩點且u<轻野特-2)在 AB上,點(4)在 AB 外,滿足 AP: BP=AQ:BO=3:2,試求點A與點B的距離為何?(6分) 解: AP = BP = ÃQ=BQ = 3 = 2. A P B 了=- 2a+3 b -- Q在外面:z B b=29+4 3 5 A:2

已解決回答數: 1

數學高中約4年以前

求救啊！那個～p是什麼意思？我不太懂......

(3)敘述「若p則q」記作「p>9」。 (4)敘述「若p則q若q則p」記作「p> (5)複合敘述的真值表規定如下: p 9 <p ~9 pq pVq T T F F T T T F F F. T F T F T T F F F. T F F. F F. T T F F F. 3. 同義敘述:若兩敘述在真值表中的真 q 太去二,或辐n、a

已解決回答數: 1