根据首字母，写出正确的单词46.Earethebiggestanimalsonland.47.Wtothezoo.48.Aghasaverylongneck(脖子).It'sabeautifulanimal.49.Adolphinisveryc
根据首字母，写出正确的单词
46.E_____________ are the biggest animals on land.
47.W____________ to the zoo.
48. A g _______ has a very long neck(脖子). It's a beautiful animal.
49. A dolphin is very c________ because it can act (表演)as people do.
50. The panda is very shy so please be very q_______.
46. Elephant 47. Welcome 48. giraffe 49. clever 50. quiet
直接写得数．78÷3=210÷30=17+83=500-376=56×4=85×4=97+24=1 2020-04-07 …
直接写得数．78÷3=210÷30=17+83=500-376=56×4=85×4=97+24=1 2020-04-07 …
选择2、5、37、47、1.25、9.6、4之中几个数，按要求写出应用运算定律能简便计算的题目．（ 2020-05-14 …
【二次函数求值域】1、y=根号下(x-4) + 根号下(x-2)2、y=根号下(x-4) - 根号 2020-05-16 …
计算1/(3+根号3）+1/（5倍根号3+3倍根号5）+1/（7倍根号5+5倍根号7）+.+1/（ 2020-06-13 …
下面各题，怎样算简便就怎样算．①0.0618×160+6.18×8.4②89×[34÷（716-1 2020-07-09 …
10%的折扣是打几折？47美元给10%的折扣是多少呢是不是47×0.1=4.7再47-4.7=42 2020-07-10 …
简便计算：47*7+4*47-4.7 2020-07-17 …
25×47×4=47×（25×4）是运用了（）A．乘法交换律B．乘法结合律C．乘法交换律和结合律 2020-07-31 …
4.7×37+4.7×47=4.7×（37+47）=4.7×1=4.7时，计算中用到的运算定律是（ 2020-07-31 …