题目内容
直接写出得数.
|
7.32-6.2= |
|
|
0.58÷5.8= | ||||||||||||||
|
|
0.8×12.5= |
|
0.4×4.5= |
分析:①③⑥⑦⑨题,通分计算;②计算时,注意小数点对齐;④运用加法交换律与结合律简算;⑤把被除数和除数分别扩大10倍,再计算;⑧⑩先算8×125和4×45,然后在结果中从后向前数出两位,点上小数点即可.
解答:解:
-
=
; 7.32-6.2=1.12;
+
=
;
-
+
=
; 0.58÷5.8=6.38;
-
=
;
-
=
; 0.8×12.5=10;
-
=
; 0.4×4.5=1.8;
故答案为:
,1.12,
,
,06.38,
,
,10,
,1.8.
| 1 |
| 3 |
| 1 |
| 9 |
| 2 |
| 9 |
| 1 |
| 7 |
| 1 |
| 8 |
| 15 |
| 56 |
| 5 |
| 7 |
| 5 |
| 6 |
| 2 |
| 7 |
| 1 |
| 6 |
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 9 |
| 1 |
| 72 |
| 11 |
| 15 |
| 3 |
| 5 |
| 2 |
| 15 |
故答案为:
| 2 |
| 9 |
| 15 |
| 56 |
| 1 |
| 6 |
| 1 |
| 4 |
| 1 |
| 72 |
| 2 |
| 15 |
点评:此题考查了多方面的知识,根据题目特点,灵活解答.
练习册系列答案
相关题目