考考你们1.the fourth multiple of 9 is divided by the second multiple of 6.find the quotient.fourth multiplr of 9 =___________second multiple of 6 =___________∴the quotient =___________________=___________________2.how many times of the H.C.F.of

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考考你们
1.the fourth multiple of 9 is divided by the second multiple of 6.find the quotient.
fourth multiplr of 9 =___________
second multiple of 6 =___________
∴the quotient =___________________=___________________
2.how many times of the H.C.F.of 24 and 36 is their L.C.M.
3.in a bakery,250 cakes and 400 bread were sold yesterday.the number of cakes sold today is decreased by 10% and that of bread is increased by 15%.find the total number of cakes and bread sold today.
4.the area of a school hall has increased by 23% after re-construction .what percentage of the previous area is the new area?
the pervious area is__________%
∴the required percentage =__________% + ___________%
=_________

1、36,12,3;2、H.C.F=12,L.C.M=72;3、250(1-10%)+400(1+15%)=685;4、不好意思,没怎么读懂…

我学数学还没见过这样的试题呢?头一次让我开眼界了,请教啦~~~

我只回答第四个:100%,100%+23%=123%

...这个 楼主 是要说明什么