30.45÷0.15×8
=203×8
=1624
=(30+0.45)÷0.15x8=30÷0.15x8+0.45÷0.15x8=200x8+3x8=1600+24=1624
30.45÷0.15×8=3045÷15×8=203×8=1624
30.45÷0.15×8=3045÷15×8=203×8=200×8+3×8=1624