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The elder brother had 15 candies, the younger brother had 27 candies, and the mother gave them 20 candies. Same amount after distribution

2024-06-16 12:57:00 Teacher Liu's mathematical thinking Liaoning report
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147 Fans Pay attention to me and publish math thinking questions for grades 1-6 of primary school every day
342m plastic rope can be used as a short jump rope, and 5 pieces of the same length can be used for 9m. According to this calculation, a total of several pieces can be made 01:02 342m plastic rope can be used as a short jump rope, and 5 pieces of the same length can be used for 9m. According to this calculation, a total of several pieces can be made
There are 28 apples and 20 pears. How many apples are three times more than pears after taking away both fruits? 01:37 There are 28 apples and 20 pears. How many apples are three times more than pears after taking away both fruits?
The books on the upper layer are three times as many as those on the lower layer. Take 25 books from the upper layer and put them on the lower layer. The number of two books is equal 01:45 The books on the upper layer are three times as many as those on the lower layer. Take 25 books from the upper layer and put them on the lower layer. The number of two books is equal
1/2 of A is equal to 1/3 of B, the sum of A and B is 100, how many are A and B respectively? 02:12 1/2 of A is equal to 1/3 of B, the sum of A and B is 100, how many are A and B respectively?
One rope wraps around the tree, and there is 1 meter left after 5 circles, 5 meters left after 7 circles, and how many meters left after 4 circles? 02:12 One rope wraps around the tree, and there is 1 meter left after 5 circles, 5 meters left after 7 circles, and how many meters left after 4 circles?
The elder brother has 80 yuan. After giving the younger sister 15 yuan, the two have the same amount of money. How much did the younger sister have originally 01:31 The elder brother has 80 yuan. After giving the younger sister 15 yuan, the two have the same amount of money. How much did the younger sister have originally
Eggs are 2 yuan each, duck eggs are 3 yuan each, Xiao Ming sells 30 eggs, a total of 78 yuan, how much do you sell each 01:58 Eggs are 2 yuan each, duck eggs are 3 yuan each, Xiao Ming sells 30 eggs, a total of 78 yuan, how much do you sell each
The road will be repaired by 2 people in 9 days. At the same speed, add 1 person. How many days will it be completed? 01:18 The road will be repaired by 2 people in 9 days. At the same speed, add 1 person. How many days will it be completed?
The two ropes A and B are 60 meters long in total. A minus 12 meters, B minus half, and the rest is the same length 01:40 The two ropes A and B are 60 meters long in total. A minus 12 meters, B minus half, and the rest is the same length
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