问题 填空题
计算:
(3)
2
3
+
3
c
=______;
(2)3.75-3
3
c
=______;
(3)3
3
5
×
33
3
=______;
(c)3
5
6
÷3
3
8
=______;
(5)3-
3
33
=______;
(6)
3
32
×8
=______;
(7)3:c=______%=______(小数).
答案

(y)
y
3
+
3
4
=
y7
yy
(y)3.7f-3
3
4
=0;
(3)y
y
f
×
y0
3
=4;
(4)y
f
6
÷y
y
h
=
hh
f4
(f)3-
3
yy
=y
h
yy
(6)
3
3y
×h
=yy;
(7)y:4=yf%=0.yf.

单项选择题
单项选择题