π√x+y-1Σ
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Oefening met afbeelding

solve x+4 =18

두 수 12와 16의 공배수 중에서 두 자리 자연수의 개수를 구하시오.

2+2

We roll a fair 6-sided die 5 times. What is the probability that we get a 6 in at most 2 of the roll...

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Oefening met afbeelding

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Oefening met afbeelding

What is 135791004−24608+56789\frac{1357_{9}}{100_{4}}-2460_{8}+5678_{9}1004​13579​​−24608​+56789​? Express your answer in base 10.

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Oefening met afbeelding

x +4 = 9