题目内容
直接写出得数.
(1)1-0.25=(2)
+
=
(3)2-
=(4)0.5×
=
(5)20%÷
=(6)
×30%=
(7)
×
=(8)0÷
=
(1)1-0.25=(2)
| 2 |
| 5 |
| 3 |
| 4 |
(3)2-
| 1 |
| 7 |
| 1 |
| 2 |
(5)20%÷
| 1 |
| 2 |
| 1 |
| 3 |
(7)
| 4 |
| 75 |
| 5 |
| 12 |
| 6 |
| 17 |
分析:主要根据分数加减乘除四则运算的法则求解.
解答:解:(1)1-0.25=0.75,(2)
+
=
,
(3)2-
=1
,(4)0.5×
=
,
(5)20%÷
=
,(6)
×30%=
,
(7)
×
=
,(8)0÷
=0.
| 2 |
| 5 |
| 3 |
| 4 |
| 23 |
| 20 |
(3)2-
| 1 |
| 7 |
| 6 |
| 7 |
| 1 |
| 2 |
| 1 |
| 4 |
(5)20%÷
| 1 |
| 2 |
| 2 |
| 5 |
| 1 |
| 3 |
| 1 |
| 10 |
(7)
| 4 |
| 75 |
| 5 |
| 12 |
| 1 |
| 45 |
| 6 |
| 17 |
点评:本题主要考查了分数的四则运算,注意把结果化成最简分数.
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