9.6*32.8+0.32*40
= 96×(3.2+0.08) + 3.2×4
=96×3.2+ 3.2×4 + 96×0.08
=3.2×100 + (100 - 4)×0.08
=320 + 100×8 - 4×0.08
= 320 + 800 - 0.32
=1119.68
9.6*32.8+0.32*40
= 96×(3.2+0.08) + 3.2×4
=96×3.2+ 3.2×4 + 96×0.08
=3.2×100 + (100 - 4)×0.08
=320 + 100×8 - 4×0.08
= 320 + 800 - 0.32
=1119.68