题目内容
| 在横线上填“>”“<”或“=”. 1.25 = = 125% |
0.045% < < 0.045 |
100% < < 1.001 |
| 3÷8 = = 37.5% |
5.3 > > 5.3% |
30% = = 0.30. |
分析:(1)因为125%化成小数是1.25,所以1.25=125%;
(2)因为0.045%=0.00045,0.00045<0.045,所以0.045%<0.045;
(3)100%=1,因为1<1.001,所以100%<1.001;
(4)因为3÷8=0.375,因为0.375=37.5%,所以3÷8=37.5%;
(5)5.3%=0.053,因为5.3>0.0053,所以5.3>5.3%;
(6)30%=0.3,以为0.3=0.30,所以30%=0.30;据此解答.
(2)因为0.045%=0.00045,0.00045<0.045,所以0.045%<0.045;
(3)100%=1,因为1<1.001,所以100%<1.001;
(4)因为3÷8=0.375,因为0.375=37.5%,所以3÷8=37.5%;
(5)5.3%=0.053,因为5.3>0.0053,所以5.3>5.3%;
(6)30%=0.3,以为0.3=0.30,所以30%=0.30;据此解答.
解答:
故答案为:=,<,<,=,>,=.
| 解: 1.25=125% |
0.045%<0.045 |
100%<1.001 |
| 3÷8=37.5% | 5.3>5.3% | 30%=0.30. |
点评:此题考查了数的大小比较,明确百分数和小数的互化方法,是解答此题的关键.
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