MileenaKitana
15.01.2020 •
Mathematics
6) use any of the digits 1, 3, and 9 and the operation signs +,- ,x,, to write all the whole numbers from 1 through 13. each digit can be expressed only once in each example. you can use other digits in the expression, but you must also use a 1, 3, or 9 at least once in each expression.
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Ответ:
Step-by-step explanation:
1 = 1
2 = 3 − 1
3 = 3
4 = 1 + 3
5 = 9 − 3 − 1
6 = 9 − 3
7 = 9 − 3 + 1
8 = 9 − 1
9 = 9
10 = 1 + 9
11 = 9 − 1 + 3
12 = 9 + 3
13 = 1 + 3 + 9
Ответ:
I do not know, just want points!
Step-by-step explanation:
I NEED POINTS