题目内容
比较大小.
×
______
+
×
×
______
×
0.375×
______
×0.98.
| 3 |
| 4 |
| 9 |
| 10 |
| 3 |
| 4 |
| 9 |
| 10 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
0.375×
| 98 |
| 99 |
| 7 |
| 8 |
(1)
×
=
,
+
=
,
<
;
所以:
×
<
+
(2)
×
×
=
,
×
=
;
<
,
所以:
×
×
<
×
;
(3)0.375×
=
×
=
=
,
×0.98=
×
=
;
<
,
所以:0.375×
<
×0.98.
故答案为:<,<,<.
| 3 |
| 4 |
| 9 |
| 10 |
| 27 |
| 40 |
| 3 |
| 4 |
| 9 |
| 10 |
| 66 |
| 40 |
| 27 |
| 40 |
| 66 |
| 40 |
所以:
| 3 |
| 4 |
| 9 |
| 10 |
| 3 |
| 4 |
| 9 |
| 10 |
(2)
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 25 |
| 512 |
| 5 |
| 8 |
| 5 |
| 8 |
| 25 |
| 64 |
| 25 |
| 512 |
| 25 |
| 64 |
所以:
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
(3)0.375×
| 98 |
| 99 |
| 3 |
| 8 |
| 98 |
| 99 |
| 49 |
| 132 |
| 343 |
| 924 |
| 7 |
| 8 |
| 7 |
| 8 |
| 98 |
| 100 |
| 343 |
| 400 |
| 343 |
| 924 |
| 343 |
| 400 |
所以:0.375×
| 98 |
| 99 |
| 7 |
| 8 |
故答案为:<,<,<.
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