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Fun Garden: love math from childhood × 3 = love math from childhood = () small = () love = () good = () number = () learning = ()
1.142857*3=428571
2.285714*3=857142
From = (1) small = (4) love = (2) good = (8) number = (5) learning = (7)
Or,
From = (2) small = (8) love = (5) good = (7) number = (1) learning = (4)
Mathematics + love mathematics + love mathematics = 1468, what are the four digit numbers represented by love mathematics?
A: love = 1, good = 2, number = 5, learning = 6
56+156+1256 = 1468
Ask a math question: 1-11 in these 11 numbers, every five numbers are divided into a group, how many groups can they be divided into?
It's not a repetition
How to make equations?
That is, C (11 below and 5 above) = (11 * 10 * 9 * 8 * 7) / (1 * 2 * 3 * 4 * 5) = 462
Counting
For a two digit number less than 40, the one digit number is 1 less than 2 times of the ten digit number. If the two digit number obtained after the exchange is greater than 50, the original two digit number can be obtained
35
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