题目内容
3.75+0.25=
[ ]
A.
B.4
C.3.5
D.
直接写出得数
(1)-= (2)0.75÷(0.5+0.25)=
(3)7÷0.01= (4)-×0=
45×20=
3×60=
8.6+7.4=
2.75+0.25=
3×6÷9=
9.5-9.45=
0.87+0.2=
5-0.25=
0.98-0.28=
0.8+0.75=