.有多少個(gè)人在吃午飯?A lot of people are having lunch .Four people are drinking a bowl of water .Two are eating a bowl of rice .Th
.有多少個(gè)人在吃午飯?A lot of people are having lunch .Four people are drinking a bowl of water .Two are eating a bowl of rice .Three are eating a bowl of meat .They need 52 bowls .How many people are there?
英語人氣：472 ℃時(shí)間：2020-01-31 04:07:41
優(yōu)質(zhì)解答
設(shè)有x個(gè)人 4個(gè)人喝一碗水,那喝水的碗的個(gè)數(shù)是：x÷4 2個(gè)人吃一碗飯,吃飯的碗的個(gè)數(shù)是：x÷2 3個(gè)人吃一碗肉,吃肉的碗的個(gè)數(shù)是x÷3 x/4+x/2+x/3=52 6x+12x+8x=1248 x=48 一共48個(gè)人
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