直接写出得数.6﹣0.3= 49+97+203= 1﹣0.97= 621+0÷7=5﹣0.3+0.7= 101×12= 0.49+0.5= 7.3+3.8=42﹣42÷6= 25×4﹣4=
9-4= 8-2= 9-7= 4-4= 10-5= 4-2=
8-5= 10-3= 9-3= 10-7= 7-5= 6-4=
7-4= 6-0= 5-2= 10-9= 10-8= 8-2=
5-3= 7-2= 9-1= 7-1= 8-5= 6-3=
6-5= 7-4= 7-6 = 10-8= 10-3= 5-3=