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Anonymous users2024-02-071 time = 7 packs are balanced over 7 packs, and the remaining packs are unqualified.
2 times = 7 packs than 7 packs to make up the balance, the remaining one pack is qualified, if the unqualified is light, then take the light 7 packs, and then 3 packs than 3 packs, balance, then the remaining pack is unqualified.
3 times = 3 packs to 3 packs of unbalanced, the above method, 1 to 1 to compare.
So a minimum of 1 time, a maximum of 3 times.
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Anonymous users2024-02-0615 kg = 15,000 g Liang Xian Zheng Repentance Late 5:375 = x:15,000 x = 200
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Anonymous users2024-02-05One bag can hold: 375 5 = 75 (gram bag).
The number of bags required for 15kg is 15*1000 75=200pcs.
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Anonymous users2024-02-04This problem should be a fraction solution problem in primary school.
First of all, if we need to calculate how many bags are needed for 1500 grams of MSG, then we need to be accurate to how many grams of MSG can be contained in one bag. This is how many bags you need for 1500 grams.
The decomposition steps are as follows: how many MSG can be held in one bag: 375 5 = 75 grams. The second step is to use 15000 directly 75 = 200 pcs.
The fractional formula is: 15000 (375 5) = 200.
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Anonymous users2024-02-03Set up need to prepare x bags, then.
x:15000=5:375
x=15000x5÷375
x=3000÷375
x=8A: You need to prepare 8 of them.
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Anonymous users2024-02-02Five bags can hold 375 grams of MSG, how many bags do you need for 15,000 grams? According to the meaning of the topic, there are:
375：5=15000：y，y=5*15000/375
200 (pcs).
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Anonymous users2024-02-01Three times... Divide into three parts of four, each part of four, the first time the balance on both sides of the four at the same time, if the balance then the remaining four must have a problem, randomly pick two from the inside and the normal two weighed. Passing by here, the average person can understand...
If the first step is not balanced, then take one randomly at the left and right ends of the balance, and then randomly change one to weigh again, if the balance is the two take away the problem, if the balance and the first time the same tilt direction is the two that do not move at all two have a problem, if the two tilt directions are not the same, it is a problem with the two swapped positions.
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Anonymous users2024-01-313 times In case the first and second measurements are different, then the third time can be compared to the problem with the bag
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Anonymous users2024-01-30grams and kilograms of knowledge
The test center is: 1 kg = 1000 grams.
Unit conversion: 1 kg = 1000 grams.
1000 100 = 10 (bag).
A: 10 bags of MSG weigh 1 kg.
Is there any harm in eating too much MSG?
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