A cup of pure milk Xiao Ming drank a quarter of it for the first time, filled it with water and carefully stirred it up. He drank another third of it. How much pure milk was left

A cup of pure milk Xiao Ming drank a quarter of it for the first time, filled it with water and carefully stirred it up. He drank another third of it. How much pure milk was left

(1-1 / 4) × (1-1 / 3) = 1 / 2 answer: there is still 1 / 2 pure milk left

A cup of pure milk Xiao Ming drank a quarter cup for the first time. What's the effect of mixing water evenly in the cup

What you asked is also a confused cup of pure milk. Xiao Ming drank 1 / 4 cup of pure milk for the first time, filled it with water, and then drank 1 / 4 cup of pure milk. How many parts of this cup of pure milk did Xiao Ming drink for the second time? I guess it is the answer to this question: drink 1 / 4 of pure milk, and then there are 3 / 4 left. Add 1 / 4 of water into 3 / 4 of pure milk

A glass of milk for the first time to drink a quarter, in the cup full of water to drink a quarter of the cup, the second time to drink this cup of milk how much?

The second time to drink this glass of milk: (1 - ¼) ¼ = 3 / 16

A bottle of pure milk 200 grams, the first time to drink 1 / 4, full of water and drink 1 / 3. At this time, how many grams of pure milk left in the bottle?

Remaining: 200 × (1-4 / 1) × (1-3 / 1) = 200 × 1 / 2 = 100g
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