早教吧作业答案频道 -->数学-->
0除[(-10又2/3)x89];(+15)x5又10/11x(-89.2)x0x(-9又6/7);(5/12-7/9-2/3)除(-1/36);5/6除[-8/21x(-1又3/4)-0.25]x(-2又2/5);(5/6-2/5+8/15-2/3)除(-1/30);-4除[1.25-(1又1/4-2)除1/8]分子前
题目详情
0除[(-10又2/3)x89]; (+15)x5又10/11x(-89.2)x0x(-9又6/7); (5/12-7/9-2/3)除(-1/36);
5/6除[-8/21x(-1又3/4)-0.25]x(-2又2/5); (5/6-2/5+8/15-2/3)除(-1/30);
-4除[1.25-(1又1/4-2)除1/8]
分子前 分母后
5/6除[-8/21x(-1又3/4)-0.25]x(-2又2/5); (5/6-2/5+8/15-2/3)除(-1/30);
-4除[1.25-(1又1/4-2)除1/8]
分子前 分母后
▼优质解答
答案和解析
0除[(-10又2/3)x89];
=0
(+15)x5又10/11x(-89.2)x0x(-9又6/7);
=0
(5/12-7/9-2/3)除(-1/36);
=(5/12-7/9-2/3)×(-36)
=--15+28+24
=37
5/6除[-8/21x(-1又3/4)-0.25]x(-2又2/5);
=5/6÷[-8/21×(-7/4)-1/4]×(-12/5)
=5/6÷(2/3-1/4)×(-12/5)
=5/6÷5/12×(-12/5)
=5/6×12/5×(-12/5)
=2×(-12/5)
=-24/5
(5/6-2/5+8/15-2/3)除(-1/30);
=(5/6-2/5+8/15-2/3)×(-30)
=-25+12-16+20
=-9
-4除[1.25-(1又1/4-2)除1/8]
=-4÷[1.25-(-3/4)×8]
=-4÷(1.25+6)
=-4÷7.又4分之1
=-4×4/29
=-16/29
=0
(+15)x5又10/11x(-89.2)x0x(-9又6/7);
=0
(5/12-7/9-2/3)除(-1/36);
=(5/12-7/9-2/3)×(-36)
=--15+28+24
=37
5/6除[-8/21x(-1又3/4)-0.25]x(-2又2/5);
=5/6÷[-8/21×(-7/4)-1/4]×(-12/5)
=5/6÷(2/3-1/4)×(-12/5)
=5/6÷5/12×(-12/5)
=5/6×12/5×(-12/5)
=2×(-12/5)
=-24/5
(5/6-2/5+8/15-2/3)除(-1/30);
=(5/6-2/5+8/15-2/3)×(-30)
=-25+12-16+20
=-9
-4除[1.25-(1又1/4-2)除1/8]
=-4÷[1.25-(-3/4)×8]
=-4÷(1.25+6)
=-4÷7.又4分之1
=-4×4/29
=-16/29
看了 0除[(-10又2/3)x8...的网友还看了以下:
计算题、方程、列式计算.要一步一步的过程~简便计算.(1).2/5+1/6+3/5+1/3求X的值 2020-05-12 …
直接写出得数.急求解答、谢谢(-3)-(+5)+(-7)-(-5)+2又三分之一=;-24+3.2 2020-05-20 …
为了调查居民的生活水平,有关部门对某地区5个街道的50户居民家庭存款进行了调查,数据(单位:万元) 2020-06-07 …
某市对50户居民的家庭存款额进行了调查,数据如下(单位:万元)如下1.6,3.5,2.3,6.5, 2020-06-07 …
1/6+3/5+2/5+1/6=(1/6+1/6)+(3/5+2/5)以上的计算运用了加法1.交换 2020-07-31 …
计算下面各题(可简便计算的应简便计算).(1)3.87+1.44-0.87+0.56(2)58.8÷ 2020-11-03 …
组数.1.用1,3,5,9,0,8,4,6组成最大的八位数2.用2,7,9,6,0,5,7,4组成最 2020-11-17 …
四道分数运算题、急啊!最好在29日7:00之前有答案1.7/8-1/6+5/122.8/9-(2/3 2020-11-18 …
1)5/6-(1/3+3/10)2)4/5-3/10+2/33)9/10-(1/6+3/5)4)2/ 2020-12-13 …
求另一个平均分配的算法我现在有一组数例如:6.1,7.1,6.3,5.4,8.1,6.7...等等都 2020-12-26 …