题目内容
(2011?苏州模拟)
| 直接写出得数. ①2-
1
1
|
②0.1÷0.01= 10 10 |
③
|
④
1
1
| ||||||||||||||||||||||
| ⑤127+28= 155 155 |
⑥1÷7+
1 1 |
⑦1.8×0.3= 0.54 0.54 |
⑧2.9+4.5= 7.4 7.4 | ||||||||||||||||||||||
⑨
4 4 |
⑩0.25×99+0.25= 25 25 . |
分析:根据整数、小数、分数的加减法及小数、分数的四则混合运算进行计算即可得到答案.
解答:解:①2-
=1
②0.1÷0.01=10 ③
×
=
④
+
=1
⑤127+28=155
⑥1÷7+
=1 ⑦1.8×0.3=0.54 ⑧2.9+4.5=7.4 ⑨
×2÷
×2=4 ⑩0.25×99+0.25=25
故答案为:1
,10,
,1
,155,1,0.54,7.4,4,25.
| 6 |
| 7 |
| 1 |
| 7 |
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 2 |
| 5 |
| 6 |
| 3 |
| 4 |
| 7 |
| 12 |
⑥1÷7+
| 6 |
| 7 |
| 1 |
| 3 |
| 1 |
| 3 |
故答案为:1
| 1 |
| 7 |
| 1 |
| 2 |
| 7 |
| 12 |
点评:此题主要考查的是分数、小数、整数的加减法及其四则混合运算.
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