Answer:
1.) -72×12% 2.) -2.05÷82
-72×0.12 -0.025×100
= 8.64 = 2.5%
3.) - 6÷28 4.) - 15.6÷8% --- 15.6÷0.08
-0.214×100 =195
= 21.4%
5.) - 400×6% --- 400×0.06 6.) -21÷0.12
- 24 - 350
7.) - 27÷7.5% --- 27÷0.075 8.) - 4÷64
- 360 -0.0625×100
= 6.25%
9.) 875×16% --- 875×0.16 10.) 42.5÷340
=140 0.125×100
12.5%