计算要步骤
来源:百度知道 编辑:UC知道 时间:2024/08/20 17:47:46
12+32/(-2)^3-(-4)^2*5
15/(-5)+15/(-3)
15/[(-5)*(-3)]
15/[(-5)^2-3^2]
(-0.25)^2/[3又1/2-(-1+3又1/4)]*0.4
(-1)^2001*{[(-1)^2+1]*(-1)-1}-1
-1^4-(2-0.5)*1/3*[(-1/2)^2-(1/2)^3]
(-1/30)/(2/3-1/10+1/6+2/5)
(-1)+2+(-3)+4+...+(-99)+100
2+(-4)+6+(-8)+...+18+(-20)
15/(-5)+15/(-3)
15/[(-5)*(-3)]
15/[(-5)^2-3^2]
(-0.25)^2/[3又1/2-(-1+3又1/4)]*0.4
(-1)^2001*{[(-1)^2+1]*(-1)-1}-1
-1^4-(2-0.5)*1/3*[(-1/2)^2-(1/2)^3]
(-1/30)/(2/3-1/10+1/6+2/5)
(-1)+2+(-3)+4+...+(-99)+100
2+(-4)+6+(-8)+...+18+(-20)
12+32/(-2)^3-(-4)^2*5
=12+32/(-8)-15*5
=12+(-4)-75
=8-75
=-67
15/(-5)+15/(-3)
=-15/5+(-15/3)
=-3+(-5)
=-3-5
=-8
15/[(-5)*(-3)]
=15/15
=1
15/[(-5)^2-3^2]
=15/(25-9)
=15/16
(-0.25)^2/[3又1/2-(-1+3又1/4)]*0.4
=0.0625/[3.5-(-2.25)]*0.4
=0.0625/5.75*0.4
=0.01*0.4
=0.004
(-1)^2001*{[(-1)^2+1]*(-1)-1}-1
=-1*[(1+1)*(-1)-1]-1
=-1*[2*(-1)-1]-1
=-1*[(-2)-1]-1
=-1*(-3)-1
=3-1
=2
-1^4-(2-0.5)*1/3*[(-1/2)^2-(1/2)^3]
=-1-1.5*1/3*(1/4-1/8)
=-1-3/2*1/3*1/4
=-1-1/2*1/4
=-1-1/8
=-1又1/8
(-1/30)/(2/3-1/10+1/6+2/5)
=-1/30/[(20-3+5+12)/30]
=-1/30/(34/30)
=-1/30*30/34
=-1/34
(-1)+2+(-3)+4+...+(-99)+100
=[(-1)+(-3)+(-5)+...+(-99)]+(2+4+6+...+100)
=50*[(-1)+(-99)]/2+50*(2+100)/2
=50*(-100)/2+50*102/2
=-2500+2550
=50
2+(-4)+6+(-8)