9×(2×1)= 9 \times (2 \times 1) = 9×(2×1)=
First, calculate the expression within the parentheses:
2×1=2 2 \times 1 = 2 2×1=2
Now, multiply the result by 9:
9×2=18 9 \times 2 = 18 9×2=18
Thus, the final answer is 18.
18