Fill in the blank with the appropriate idiom.
Some of these ideas are worth pursuing, but there is no need to …………
The expression "reinventing the wheel" is an idiom that means unnecessarily creating or doing something that already exists and is well-established.
159.98% of 4820 + 90.33% of 2840 = ? + 114.99% of 1980
(32.18% of 2399.89 - √624 × 26.25) % of 149.79 = ?
30.05% of 360.05 – 25.15% of 99.99 × 3.02 = ?
√28561.11  × √ 960.9  – (18.02)2  =? × 4.95Â
8.992 + (5.01 × 4.98) + ? = 224.03
3 √2197.08 × 5.15 + 13.302 = √675.99 + ?
24.11 × 5.98 + 25.03 × 3.12 – 34.99 + 96.9 × 5.02 =?
7480 ÷ 16.98 – 34.32 ÷ (4.99/99.9) = ?
 ?² × 55% of (29 + 32 - 41) = 41.66% of 216 + 9