直接写得数: = = ÷5=×= = 1.25×8= 2﹣= 0.15×1.2+3.8×15%= 0.25+0.75= = ()×= 4505÷5= 24.3﹣8.87﹣0.13= =
7-4= 9-5= 5+5= 3+3= 7-7= 8-7=
5+3= 5-3= 6-6= 8+1= 9+1= 10-4=
6-5= 10-5= 4+3= 2+2= 2+1= 6-5=
8+2= 7-5= 7+2= 10-10= 9-9= 1+1=
10-3= 6+1= 9+1= 8-3= 9-6= 4+3=