Question

6:4.3/4-99-(-99)

Answer 1

\(=\dfrac{6}{4}\times\dfrac{3}{4}=\dfrac{9}{8}\)

Answer 2

9/8

Answer 3

\(6:4\times\dfrac{3}{4}-99-\left(-99\right)\)
\(=\dfrac{3}{2}\times\dfrac{3}{4}-198\)
\(=\dfrac{3}{2}-\dfrac{396}{2}\)
\(=\dfrac{-393}{2}\)

Answer 4

6÷4×3/4-99-(-99)

=3/2×3/4-99+99

=9/8