用竖式计算.3﹣6.09= 0.73+12= 2.7+3.13= 18﹣5.29=
×=÷6=
直接写得数÷7= 42×= 6÷= ×33=÷= += 10÷1%= ﹣20%=﹣= 24×50%=
直接写出得数.= 15= = =0.33= = = =1﹣= = = =
×= 1÷= 4×60%= 0.875÷0.125=÷2= 10÷= ×3.6= 0×=
直接写得数.= = 1÷40%== = 72×25%==