题目内容
直接写出得数: (1)54+26= 80 80 |
(2)3.6-2.8= 0.8 0.8 |
(3)
0.4 0.4 |
(4)
2 2 | ||||||||||||||||||||||||
(5)12×
9 9 |
(6)
|
(7)
|
(8)
|
分析:(1)(2)依据整数加减法计算方法解答,
(3)(4)(5)(6)依据分数乘除法计算方法解答,
(7)(8)依据分数加减计算方法解答.
(3)(4)(5)(6)依据分数乘除法计算方法解答,
(7)(8)依据分数加减计算方法解答.
解答:解:(1)54+26=80; (2)3.6-2.8=0.8; (3)
×
=0.4; (4)
÷
=2;
(5)12×
=9; (6)
÷14=
; (7)
-
=
; (8)
+
=
.
故答案依次为:80,0.8,0.4,2,9,
,
,
.
3 |
5 |
2 |
3 |
1 |
3 |
1 |
6 |
(5)12×
3 |
4 |
7 |
8 |
1 |
16 |
5 |
6 |
2 |
3 |
1 |
6 |
1 |
2 |
1 |
3 |
5 |
6 |
故答案依次为:80,0.8,0.4,2,9,
1 |
16 |
1 |
6 |
5 |
6 |
点评:本题主要考查学生运用四则运算方法正确计算的能力.
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