1楼:乐为人师
3.25÷0.25+1.75÷0.25
=3.25×1/4+1.75×1/4
=(3.25+1.75)×1/4
=5×1/4
=1.25
简便计算3.24÷0.25。
2楼:匿名用户
4-3.25÷1.3×0.7 =4-2.5×0.7 =4-1.75 =2.25
3.25除0.25简便方法
3楼:精锐十校老师
3.25÷0.25=(3×1+0.25)÷0.25=3×1÷0.25+0.25÷0.25=3×4+1=13
3.25÷0.25x4简便计算
4楼:匿名用户
3.25÷0.25x4简便计算
=3.25x4x4
=13x4=52
3.25÷0.25÷0.4简便方法
5楼:刘向阳盼盼
3.25÷0.25÷0.4
= 3.25 ÷(0.25 ×0.4)
= 3.25 ÷ 0.1
= 32.5
3÷0.25的简便方法 5
6楼:邓敏桦
用简便方法计算。
3÷0.25
=(3×4)÷(0.25×4)
=12÷1
=12计算简便方法的题时候,记住:可以凑整十或整百的数。
0.25×2=0.5
0.25×4=1
0.25×6=1.5
0.25×8=2
7楼:橙那个青
请看以下
3÷0.25
=3÷1/4
=3×4
=12注[0.25=1/4要记住]请理解以上解答过程的
8楼:不忘初心的人
3÷0.25
=(3x4)÷(0.25x4)
=12÷1=12
9楼:超越自我
3÷0.25
=3÷1/4
=3x4=12
10楼:东方de冰雨
3除0.25的简便方法,你可以把两个数字放大100倍,300除25结果是一样的。
11楼:和蔼的小浪花
=3÷1/4
=3×4=12
12楼:匿名用户
解,3÷0.25
=3÷(0.25×4÷4)
=3÷1x4=12
13楼:青州大侠客
0.25=1/4
3÷0.25=3÷1/4=3×4=12
除以一个数等于乘以这个数的倒数
14楼:敏敏
将分子分母同时扩大100倍=300/35=12。
15楼:我叫萧笑
同学,你好!请看下图!
15.25x4+1.75÷0.25的简便
16楼:乐为人师
15.25x4+1.75÷0.25
=15.25x4+1.75÷1/4
=15.25x4+1.75×4
=(15.25+1.75)x4
=17×4=68
17楼:匿名用户
原式=15.25×4+1.75×4=(15.25+1.75)×4=17×4=68.
15.25x4+1.75÷0.25的简便运算
18楼:乐为人师
15.25x4+1.75÷0.25
=15.25x4+1.75÷1/4
=15.25x4+1.75×4
=(15.25+1.75)x4
=17×4=68
19楼:凡了烦了
原式=(15+0.25)x4+(1+0.75)除以0.25=(60+1)+(4+3)
=61+7=68
20楼:匿名用户
15.25×4+1.75÷(1/4)
=15.25×4+1.75×4
=4×(15.25+1.75)
=4×17=68
21楼:一瞬间瞎
=15.25x4+1.75÷1/4 =(15.
25+1.75)x4 =17x4 =68
22楼:星嘉合科技****
15.25x4+1.75÷0.25
=15.25x4+1.75x4
=(15.25+1.75)x4
=17x4=68
3.4÷0.25怎样简便
23楼:匿名用户
3.4÷0.25
=(3.4×4)÷(0.25×4)
=13.6÷1
=13.6
运用了商不变的性质
24楼:day平安幸福
3.4=34除以10, 0.25=25除以100
34比10=100比25
最后算68除以5=13.6
25楼:张建民
=3.4x4=13.6
26楼:匿名用户
乘4,0.25就是四分之一