题目内容
(2011?宜良县模拟)
看谁算得快.
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18×2%= | 1-
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3.5÷18= | 137-63-37= | ||||||||||||||
205-199+95= | 8.8+1.2= | 8π≈ | 0.33= |
分析:(1)(2)(3)(4)(5)(6)依据分数四则运算计算方法解答,
(7)(8)(9)(10),依据整数和小数四则运算计算方法解答,
(11)把π看作3解答,
(12)依据求一个数的立方计算方法解答.
(7)(8)(9)(10),依据整数和小数四则运算计算方法解答,
(11)把π看作3解答,
(12)依据求一个数的立方计算方法解答.
解答:解:
×
=0.25;
÷
=2;
×8=6;
+
=
;
18×2%=0.36 1-
=0.5; 3.5÷18=
; 137-63-37=37;
205-199+95=101; 8.8+1.2=10; 8π≈24; 0.33=0.027.
故答案依次为:0.25,2,6,
,0.36,0.5,
,37,101,10,24,0.027.
1 |
6 |
3 |
2 |
3 |
5 |
3 |
10 |
3 |
4 |
1 |
2 |
1 |
3 |
5 |
6 |
18×2%=0.36 1-
1 |
2 |
7 |
36 |
205-199+95=101; 8.8+1.2=10; 8π≈24; 0.33=0.027.
故答案依次为:0.25,2,6,
5 |
6 |
7 |
36 |
点评:本题主要考查学生运用四则运算计算方法的能力.
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