Answer:
D
Step-by-step explanation:
Step-by-step explanation:
Hi, I think correct variant is B
(28÷7)+7=4+7=11
Answer:
Step-by-step explanation:
-4,5
Answer:
A is the correct answer.
Step-by-step explanation:
First do 6 times 6 and then do 36 times 3.14 to get 113.04.
Then do 4 times 4 to get 16 times 3.14 for 50.24
Last do 113 minus 50 for 63 squared.
R = 8 since 8 times 10 = 80