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Semenov [28]
3 years ago
10

Please help 30 points!!!

Mathematics
1 answer:
just olya [345]3 years ago
7 0

Answer:

Question 1: B = 0

Question 2: 23/2 or 11-1/2

Question 3: 663/6 or 110-3/6

Step-by-step explanation:

Question 1:

(-5²)+(9+4²)=5B

-25+9+16=5B

5B=-0

B=0/5=0

Question 2:

2-7/8×2-6/9×1-1/2

=23/8×24/9×3/2

=23/2

=11-1/2

Question3:

3-1/4×6-2/3×5-1/10

=13/4×20/3×51/10

=663/6

=110-3/6

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