32.8×1.6= 12÷2.5= *73.8÷0.6= 验算：
40.8×7.56= 2.6×14.5=
45.9÷0.6= 51÷0.3=
①*0.48×1.5＝
②0.172×0.15＝
③*10.8÷4.5＝
④6.81÷8.7≈（保留两位小数）
96-69= 0.72+2.8= 0.125×0.8= 0.32÷0.1=
4× ÷4× = 7÷ = 1- =
403×19= -80%= （ - ）×12=
687+95= 0.46+4.9=
0.5×2.4= 0.84÷0.7= 2.6× =
1.25× ×8=