Answer:
don't know
Step-by-step explanation:
Answer:
−x2 + 2x − 15 = x2+3 squared right triangle
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
x÷3 dư 1-->x=3a+1
y÷3 dư 2-->y=3b+2
x×y=(3a+1)×(3b+2)
=9ab+6a+3b+2
Mà 9ab, 6a, 3b chia hết cho 3, 2 chia 3 dư 1
==>x×y chia 3 dư 2
Answer:
8
Step-by-step explanation:
I didn’t really understand the question so here is a answer with a variable
5+3•w
