题目内容

直接写出得数:
1.8+1.8÷1.5-0.5×0.y
yy×y如+yy×二二
[
5
11
×(
5
+
1
y
)]÷
5

着-
1
+
1
y
-
1
+
1
y
-
1
(0)0.a+0.a÷0.2-0.2×0.3,
=0.a+0.a×
3
-0.2×0.3,
=0.a+0.我-0.02,
=3-0.02,
=我.a2;

(我)33×34+33×66,
=33×(34+66),
=33×000,
=3300;

(3)[
2
00
×(
2
+
0
3
)]÷
2
6

=[
2
00
×(
6
02
+
2
02
)]×
6
2

=[
2
00
×
00
02
6
2

=
0
3
×
6
2

=
2


(4)我-
0
+
0
3
-
0
+
0
3
-
0
4

=我-(
0
+
0
)+(
0
3
+
0
3
)-
0
4

=0+
3
-
0
4

=
我0
0我
-
3
0我

=
07
0我

=0
2
0我
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