题目内容
直接写出结果.
+
=
÷
=
×52=
1.2÷
=
×
=
0×
=
55÷
=
×
÷
×
=
| 2 |
| 3 |
| 1 |
| 4 |
| 4 |
| 9 |
| 5 |
| 6 |
| 4 |
| 13 |
1.2÷
| 6 |
| 7 |
| 19 |
| 36 |
| 3 |
| 38 |
0×
| 4 |
| 5 |
55÷
| 11 |
| 8 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 3 |
分析:①通分计算;②④⑦把除法改为乘法,再计算;③⑤约分计算;⑥0乘任何数都得0;⑧把除法改为乘法,按运算顺序从左往右依次计算.
解答:解:
+
=
;
÷
=
;
×52=16;
1.2÷
=1.4;
×
=
;
0×
=0;
55÷
=40;
×
÷
×
=
.
故答案为:
,
,16,1.4,
,0,40,
.
| 2 |
| 3 |
| 1 |
| 4 |
| 11 |
| 12 |
| 4 |
| 9 |
| 5 |
| 6 |
| 8 |
| 15 |
| 4 |
| 13 |
1.2÷
| 6 |
| 7 |
| 19 |
| 36 |
| 3 |
| 38 |
| 1 |
| 24 |
0×
| 4 |
| 5 |
55÷
| 11 |
| 8 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 9 |
故答案为:
| 11 |
| 12 |
| 8 |
| 15 |
| 1 |
| 24 |
| 1 |
| 9 |
点评:此题考查了约分、通分、运算顺序,以及“0乘任何数都得0”等知识.
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