Question

simplify 1/2*-9*4*-1 class 7​

Answer 1

2x-9x-1 =18

Here's the answer to the question

Answer 2

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$\frac{1}{2} \times ( - 9) \times (4) \times ( - 1) \\ \\ \frac{1}{2} \times 36 \\ \\ 18$