0.25×17.3×4 4.23×99+4.23 (8+0.8)×1.25
2.1-2.01= 3.07+0.125= 0.35×0.4=
0.85×100= 1.25×4= 4-0.89=
0.2×0.5+1.3= 3.75-0.75-3=
