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
[
×(
+
)]÷
着-
+
-
+
-
.
1.8+1.8÷1.5-0.5×0.y
yy×y如+yy×二二
[
5 |
11 |
着 |
5 |
1 |
y |
5 |
二 |
着-
1 |
着 |
1 |
y |
1 |
着 |
1 |
y |
1 |
如 |
(0)0.a+0.a÷0.2-0.2×0.3,
=0.a+0.a×
-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)[
×(
+
)]÷
,
=[
×(
+
)]×
,
=[
×
]×
,
=
×
,
=
;
(4)我-
+
-
+
-
,
=我-(
+
)+(
+
)-
,
=0+
-
,
=
-
,
=
,
=0
.
=0.a+0.a×
我 |
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 |
我 |
2 |
0 |
3 |
2 |
6 |
=[
2 |
00 |
6 |
02 |
2 |
02 |
6 |
2 |
=[
2 |
00 |
00 |
02 |
6 |
2 |
=
0 |
3 |
6 |
2 |
=
我 |
2 |
(4)我-
0 |
我 |
0 |
3 |
0 |
我 |
0 |
3 |
0 |
4 |
=我-(
0 |
我 |
0 |
我 |
0 |
3 |
0 |
3 |
0 |
4 |
=0+
我 |
3 |
0 |
4 |
=
我0 |
0我 |
3 |
0我 |
=
07 |
0我 |
=0
2 |
0我 |
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