(10-(0.2+6.3)0.7)0.5简便计算

2020-12-03 21:15:55 字数 2882 阅读 9180

1楼:匿名用户

直接计算,因为无法简化的,只能按照运算法则,依次计算,然后注意细节即可,因为涉及到乘除等,得算括号,再乘除加减。

2楼:乐为人师

(10-(0.2+6.3)÷0.7)×0.5简便计算?

【10-(0.2+6.3)÷0.7】×0.5=【10-6.5÷0.7】×0.5

=【10-65/7】×0.5

=5/7×0.5

=5/14

3楼:匿名用户

[10-(0.2+6.3)÷0.7]×0.5=(10-6.5÷0.7)×0.5

=(70/7-65/7)×0.5

=5/7×1/2

=5/14

4楼:辽阳张

原式=〔10-6.5÷0.7〕×0.5

=10×0.5一65/7×1/2

=5-65/14

=70/14-65/14

=5/14

[10-(0.2 6.29÷1.7)]×0.5怎么简便

5楼:新野旁观者

[10-(0.2+6.29÷1.7)]×0.5=[10-(0.2+3.7)]×0.5

=[10-3.9]×0.5

=6.1×0.5

=3.05

[10-(0.2十6.3÷0.7)]x0.05怎么计算

6楼:李快来

[10-(0.2十6.3÷0.7)]x0.05=[10-(0.2+9)]x0.05

=(10-9.2)x0.05

=0.8x0.05

=0.04

如果对您有帮助;

请采纳答案,谢谢。

(10-(0.2+6.37÷0.7))脱式计算?

7楼:妙酒

脱式计算

10-(0.2+6.37÷0.7)

=10-(0.2+9.1)

=10-9.3

=0.7

一、脱式计算。(能简便的要简便) (0.2+6.37÷0.7)×0.5

8楼:匿名用户

(0.2+6.37÷0.7)×

0.5=0.2×0.5+6.37÷0.7×0.5=0.1+9.1×0.5

=0.1+4.55

=4.65

5.7×2.9+4.3×2.9

=(5.7+4.3) ×2.9

=10×2.9

=291.6×1.25×2.5

=2×2.5

=510.1×4.8

=(10+0.1)×4.8

=10×4.8+0.1×4.8

=48+0.48

=48.48

9楼:匿名用户

亲,先把我列入满意答案,再告诉你怎么做?

10-(1.25+0.2)÷0.5简便运算

10楼:匿名用户

先算括号里的1.25+0.2=1.45,再算除法,1.45÷0.5=2.9,再用10-2.9=7.1,结果是7.1

简便运算:(1)2.6+1.65÷0.15=?(2)[10-(0.2+6.37)]×0.5=?

11楼:匿名用户

1)=2.6+(1.65/0.5/0.3)=2.6+(3.3/0.3)

=2.6+11

=13.6

2)=(10-0.2-6.37)*0.5

=5-0.1-6.37/2

=5-(0.1+3.185)

=5-3.285

=1.715

用递等式计算.(能简便计算的用简便方法计算) 53.2+6.3-6.3÷0.7 (2.5-0.25-0.025)×4 (50-16.9

12楼:7c噘檜

(1)53.2+6.3-6.3÷0.7,

=53.2+6.3-9,

=50.5;

(2)(2.5-0.25-0.025)×4,=2.5×4-0.25×4-0.025×4,=10-1-0.1,

=8.9;

(3)(50-16.9÷13)×0.6,

=(50-1.3)×0.6,

=48.7×0.6,

=29.22;

(4)1.25×(0.8+4)×25,

=1.25×4.8×25,

=150;

(5)0.25×1.25×3.2,

=0.25×1.25×4×0.8,

=(0.25×4)×(1.25×0.8),=1×1,

=1;(6)35.7×5.6-5.6+65.3×5.6,=(35.7-1+65.3)×5.6,

=100×5.6,

=560.

(10.3*0.5+10.3*7+0.5*7)*2这类的题如何简便计算?

13楼:匿名用户

这类题型首先找有相同因数的项

这个题同项是10.3*0.5,10.3*7并且这个题目有两项含0.5

(10.3*0.5+10.3*7+0.5*7)*2=10.3*1+10.3*7+1*7

=10.3(1+7)+7

=82.4+7=89.4

14楼:匿名用户

这个题想法凑成十

10.3*0.5*2+10.3*7*2+0.5*7*2=10.3+10.3*14+7

=10.3*15+7

=154.5+7

=161.5