13.25-5.07-2.93
0.25×64×1.25
3.7+6.3×0.12
45-6.58-7.42
6.92×14.3+14.3×3.08
1.25×7.9×0.8
4×4.38×2.5
34.8-(14.8+3.4)
1.87+1.87×99
(0.8×7+2.4) ×5
6.28×1.25×0.8
78-14.8-5.2