问题
解答题
脱式计算．
|
答案
（1）（1.5+8.5÷5）×0.8，
=（1.5+1.7）×0.8，
=3.2×0.8，
=2.56；
（2）26.4÷[8×（5.34-3.84）]，
=26.4÷[8×1.5]，
=26.4÷12，
=2.2．
搜题请搜索小程序“爱下问搜题”
脱式计算．
|
（1）（1.5+8.5÷5）×0.8，
=（1.5+1.7）×0.8，
=3.2×0.8，
=2.56；
（2）26.4÷[8×（5.34-3.84）]，
=26.4÷[8×1.5]，
=26.4÷12，
=2.2．
| 根据对话情景选择恰当的选项，其中有两项是多余的。 | |
Tom: Hi, Black. 1 Black: Fine. Thanks for asking. Tom: 2 Black: Yes. I talked with the seller for a long time to get the price I wanted. Tom: It looks cool. 3 Black: It's made of silk. It's very soft. Tom: Does your company let you wear casual (非正式的) clothes in the office? Black: Sure, 4 As long as we don't have the business partners (伙伴). Tom: Could I wear my swimming pants in the office? Black: No way! Tom: 5 I don't want to look ugly. Black: I think you need some good advice. Listen carefully! |