mr.wang pianned to make many parts within 2 hours.there were still 160 parts left when the machine broke down .the efficiency was 20% lower than before .he had to use 20 more minutes to finish all the work .we can know there are ( ) parts in all.并

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mr.wang pianned to make many parts within 2 hours.there were still 160 parts left when the machine broke down .the efficiency was 20% lower than before .he had to use 20 more minutes to finish all the work .we can know there are ( ) parts in all.并

mr.wang pianned to make many parts within 2 hours.there were still 160 parts left when the machine broke down .the efficiency was 20% lower than before .he had to use 20 more minutes to finish all the work .we can know there are ( ) parts in all.并
mr.wang pianned to make many parts within 2 hours.
there were still 160 parts left when the machine broke down .the efficiency was 20% lower than before .he had to use 20 more minutes to finish all the work .we can know there are ( ) parts in all.
并能给我写出计算过程,答案应该是哪个?A 320 B 240 C 960 D 800

mr.wang pianned to make many parts within 2 hours.there were still 160 parts left when the machine broke down .the efficiency was 20% lower than before .he had to use 20 more minutes to finish all the work .we can know there are ( ) parts in all.并
There are 240 parts in all and Mr.Wang can make 2 parts every minutes.

当机器故障的时候,还有160块未完成。(因为机器的故障)工作效率比之前低了20%。他还需要20分钟来完成全部工作。我们知道一共有()块。
也就是说在20分钟完成160块每分钟8块以前的效率是8÷(1-20%)=10
没有告诉我时间哦。算不出一共多少块
2×60×10=1200
再加上160就是答案
1200+160=1360...

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当机器故障的时候,还有160块未完成。(因为机器的故障)工作效率比之前低了20%。他还需要20分钟来完成全部工作。我们知道一共有()块。
也就是说在20分钟完成160块每分钟8块以前的效率是8÷(1-20%)=10
没有告诉我时间哦。算不出一共多少块
2×60×10=1200
再加上160就是答案
1200+160=1360

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mr.wang pianned to make many parts within 2 hours.there were still 160 parts left when the machine broke down .the efficiency was 20% lower than before .he had to use 20 more minutes to finish all the work .we can know there are ( ) parts in all.并 Mr Wang is very friendly to us Mr Wang,someone_____(want) to see you. The meeting()when Mr.Wang()to school. Mr Wang:Hello,Miss Cook.Miss Cook:Hello Mr Wang.Mr Wang:Are ____ your photos?Miss Cook:Yes,they are_____.Mr Wang:______are you in this picture?Miss Cook:I'm in Hawaii in this pictyre.Mr Wang :You have been to Hawaii!Can you _____me more about it?Miss “Good-bye,Mr.Wang.I’m pleased___you.”A、to meetB、meetingC、to have been meetingD、to be met Mr.Wang’s job is to teach maths.Mr.Wang _______ _______ a maths teacher. Mr Wang goes to Japen by plane.同义句Mr Wang ___ ___ Japen ___ _____. 1.When my little brother sees the presents,he can't wait___ (open)them.2.---Hello?Can i speak to Mr Wang,please?---____A.Who are you?B.I'm Mr Wang C.Speaking D.Are you Mr Zhang? many teachers,inclduing Mr Wang,wang to work in our school.中inclduing Mr Wang解释句子成分? 1.( )morning,mr,wang 2.(1.( )morning,mr,wang 2.( )to meet you,xiao ming.3.how are you,miss li?l m( ) 4.( )to see you.( )to see you,too is my dad,Mr.WangA.Are you Mr.Wang?B.Nice to see you.C.Who is Mr.Wang? Is this Mr Wang speaking?Yes.___.A.I'm speaking B,Who's that?.C,I'm Mr Wang. Mr Wang was late for meeting yesterday.Mr Wang was late for meeting yesday._______________A.It doesn't matterB.I'm sorry to hear thatC.I was late,too.D.He is often late选哪个?为什么? Mr.Wang went to bed until 12 last night. 改错Please tell to Mr Wang for more information. Every day ,Mr Wang ( ) his car to school . Every day ,Mr wang ( ) his cai to school .