想一想,看一看.1.There are some girls and some dogs in a house.Ther

想一想,看一看.
1.There are some girls and some dogs in a house.There are 22 heads and 72 feet.How many girls and dogs are there in the room?
___________ girls and ___________ dogs.
2.If you want to boil one egg,it will cost you five minutes and thirty seconds.In that way,how much time do you need to boil five eggs?
_____________________________
风凌草 1年前 已收到2个回答 举报

風中有朵雨做的雲 幼苗

共回答了21个问题采纳率:71.4% 举报

1.There are some girls and some dogs in a house.There are 22 heads and 72 feet.How many girls and dogs are there in the room?
______8_____ girls and ______14_____ dogs.
2.If you want to boil one egg,it will cost you five minutes and thirty seconds.In that way,how much time do you need to boil five eggs?
______________Five minutes and thirty seconds_______________
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1年前

10

ProE不容易 幼苗

共回答了1个问题 举报

1.你可以设有x个女孩,那么就有(22—x)只狗
则:2x+(22-x)*4=72
x=8
所以,有8个女孩,14只狗
2.5分30秒

1年前

2
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