2.5+4.3×0.4 3.7×1.8+6.3×1.8 23.2-14.2×0.7
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=