4.65×3.2+9.3×3.3+0.465×2
=4.65×3.2+4.65×2×3.3+4.65×0.1×2
＝4.65×3.2+4.65×6.6+4.65×0.2
＝4.65×（3.2+6.6+0.2）
＝4.65×10
＝46.5