计算题。求过程
3分之2)-(3分之2)-(+4分之3)(-4又8分之7)-(-5又2分之1)+(-4又四分之一)-(+3又八分之一)(5.4)-(-5又2分之1)-(+6又20分之13...
3分之2)-(3分之2)-(+4分之3)
(-4又8分之7)-(-5又2分之1)+(-4又四分之一)-(+3又八分之一)
(5.4)-(-5又2分之1)-(+6又20分之13)-1又4分之1
-5.27+3.8-(-1.2)+(-0.5)-0.73
-7.2-0.9-5.5+11
0-4分之1-(+3分之1)-(-2分之3)-(+6分之5) 展开
(-4又8分之7)-(-5又2分之1)+(-4又四分之一)-(+3又八分之一)
(5.4)-(-5又2分之1)-(+6又20分之13)-1又4分之1
-5.27+3.8-(-1.2)+(-0.5)-0.73
-7.2-0.9-5.5+11
0-4分之1-(+3分之1)-(-2分之3)-(+6分之5) 展开
1个回答
展开全部
1.原式=2/3-2/3-3/4
=-3/4
2.原式=-4-7/8+5+1/2-4-1/4-3-1/8
=-4+5-4-3-7/8-1/8+1/2-1/4
=-6-1+1/4
=-6-3/4
=-6又4分之3
3.原式=5.4+5+1/2-6-13/20-1-1/4
=5.4+5-6-1+10/20-13/20-5/20
=3.4-0.4
=3
4.原式=-5.27+3.8+1.2-0.5-0.73
=-5.27-0.5-0.73+3.8+1.2
=--6.5+5
=-1.5
5.原式=-13.6+11
=2.6
6.原式=-1/4-1/3+3/2-5/6
=-3/12-4/12-10/12+18/12
=-17/12+18/12
=1/12
=-3/4
2.原式=-4-7/8+5+1/2-4-1/4-3-1/8
=-4+5-4-3-7/8-1/8+1/2-1/4
=-6-1+1/4
=-6-3/4
=-6又4分之3
3.原式=5.4+5+1/2-6-13/20-1-1/4
=5.4+5-6-1+10/20-13/20-5/20
=3.4-0.4
=3
4.原式=-5.27+3.8+1.2-0.5-0.73
=-5.27-0.5-0.73+3.8+1.2
=--6.5+5
=-1.5
5.原式=-13.6+11
=2.6
6.原式=-1/4-1/3+3/2-5/6
=-3/12-4/12-10/12+18/12
=-17/12+18/12
=1/12
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