77+93= 15×1-7= 39-100÷10=99-77= 23-3×7= 35-35÷5=
直接写出得数 0.3+0.47= 10﹣4.7= 0.33+0.3= 20.2﹣10.2= 7.6+0.4= 3.9﹣0.6= 50.23+0.77= 48.51﹣4.09= 2.02+3.8= 8.4﹣4.8=
列竖式计算. 27.39+8.51= 6.78+17.5= 30.4﹣8.75= 10.03﹣8.97=
笔算下面各题. 12.6﹣4.8= 38×24= 605÷5= 17×17= 215÷3= 0.8+0.6=
①5.3+25.7=②2.67﹣0.33=③2.58﹣1.85=
竖式计算(带*的要验算) 48.35+156.78= *0.9﹣0.45=