標題:

請教小四數學?

發問:

橙36個,梨48個,芒果84個,平均分給若干個小朋友,若這班小朋友的人數在5至10之間,問每人共可分得水果多少個? (請列式)

最佳解答:

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36,48,84的HCF 4|36 48 84 3| 9 12 21 3 4 7 所以有12個人 橙:36 / 12 =3個 梨:48 / 12 =4個 芒果:84/12=7個

其他解答:

每人共可分得水果: (36+48+84)÷10 =168÷10 =16(個)...8(個) 答:每人共可分得水果16個,餘8個。|||||It is LCM question. you can divide 36, 48, 84 by 2, then, you will get 18, 24, 42, you can divide again by 2, so 9, 12, 21. agian, you can divide by 3, so, you get 3, 4, 7. As your question is that there are 5-10 people only, so, it cannot be 2 x 2 x 3 becuase it will become 12. Thus, it will be 2 x 3 = 6 people. In this case, then, you will need to use 3, 4, 7 to mutilply by 2 so your answer will be. 這班小朋友的人數=6,每人共可分得橙6個,梨8個,芒果42個|||||is28個,列式:36除6+48除6+84除6=6+8+14=28(個)
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