0.8×(1.25×6)=(0.8×)×6
3.7×2.6=×3.7
0.125×24=(0.125×8)×
3.6×10.2=36+3.6×
83.7×0.9+16.3×0.9=(83.7+)×0.9
4.8×3.2+5.2×3.2=(+5.2)×3.2
7.2×11-7.2=7.2×
1.25×2.7×8=2.7×(1.25×)
0.25×3.8×4=(0.25×)×3.8
0.6×27.4+72.6×0.6=0.6×