[4又1/3-(1又5/6+1/4)1.25]*4.5怎么算?要过程(按过程算,4步即可)
[4又1/3-(1又5/6+1/4)1.25]*4.5怎么算?要过程(按过程算,4步即可)
[4又1/3-(1又5/6+1/4)1.25]*4.5怎么算?要过程(按过程算,4步即可)
=[13/3-(22/12+3/12)*5/4]*2/9
=[208/48-25/12*5/4]*2/9
=83/48*2/9
=83/216
这个鸟题,不是要做任务,真懒得去想
[4又1/3-﹙1又5/6+1/4﹚÷1.25]×4.5
4又1/3=13/3 1.25=5/4 4.5=9/2 1又5/6=11/6和1/4通分 44/24和6/24
∴原式=(13/3-(44/24+6/24)/ 5/4)*9/2
=(13/3-50/24*4/5)*9/2
=(13/3-5/3)*9/2
=8/3*9/2
=12
1又1/4÷(一1又2/3) 按过程计算
=5/4÷(-5/3)
=-5/4×3/5
=-3/4
如果我的回答能够解决你的问题,希望你能够采纳我,如果有疑问继续追问,衷心感谢你的支援
(+0.125)+(+3又1/4)+(--3又1/8)--1/8--(+1/4)怎么算?要过程
(+0.125)+(+3又1/4)+(--3又1/8)--1/8--(+1/4)
=0.125+3.25-3.125-0.125-0.25
=3-3.125
=-0.125
=-1/8
1又1/4+(-6.5)+3又3/8+(-1.25)+5/28= 要过程!急啊!
1又1/4+(-6.5)+3又3/8+(-1.25)+5/28
=1.25-6-1/2 +3+3/8-1.25+5/28 (消去1.25与-1.25,合并-1/2和3/8,-6和3)
=-3+1/4+5/28 (通分)
=-3+(7+5)/28
=-3+12/28
=-3+3/7
=-2又4/7
(+1.25)+(-1/2)+(-3/4)+(+1又3/4)计算要过程,速度
(+1.25)+(-1/2)+(-3/4)+(+1又3/4)
=1.25-0.5-3/4+1+3/4
=1.25+1-0.5-3/4+3/4
=1.75
计算1/2×4+1/4×6+1/6×8+···+1/2006×2008 要过程
1/2×4+1/4×6+1/6×8+···+1/2006×2008
=1/2×(1/2-1/4+1/4-1/6+1/6-1/8+···+1/2006-1/2008)
=1/2×(1/2-1/2008)
=1003/8032
1.25×88又4/15×8+8×1/3×1又1/4=________________?要过程,谢谢
你好:
1.25×88又4/15×8+8×1/3×1又1/4
=1.25×8×88又4/15+8×1又1/4×1/3
=10×88又4/15+10×1/3
=10×(88又4/15+1/3)
=10×88又3/5
=88×10+3/5×10
=880+6
=886
计算要过程:-2/3+(-1/6)-(-1/4)-1/2=? (-7.8)×1.25×(-8)=?
=-8/12-(2/12)+(3/12)-(6/12)=(-8-2+3-6)/12=-13/12;
=7.8*(1.25*8)=7.8*10=78
(-2.75)+(4又1/4)+(-2又3/8)+5/8= (-20.75)+3又1/4+(-4.25)+(+19又 3/4)= 要过程拜托!
(-2.75)+(4又1/4)+(-2又3/8)+5/8=
= 1.5-1.75
= -0.25
(-20.75)+3又1/4+(-4.25)+(+19又 3/4)=
= -1-1
= -2
(-6)-(-5)-(-6)
= -6+5+6
=5
(-6又1/8)+3.125)
= -6.125+3.125
= -3
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