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