1 (-23)-(-5)+(-64)-(12)2 (2/3)-1又2/5+4/3+2/5-33 |x|=1 则x与-3的差为多少?4 (-9)*2/35 (-1.5)*(-1.5)6 (-14)*(-100)*(-6)*(-0.01)7 (1/2--5/9+5/6)*(-36)8 1/(1又1/6-8又3/4*2/7)+14/27/7/189 (2又1/3-3又1/2+1
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 16:50:36
![1 (-23)-(-5)+(-64)-(12)2 (2/3)-1又2/5+4/3+2/5-33 |x|=1 则x与-3的差为多少?4 (-9)*2/35 (-1.5)*(-1.5)6 (-14)*(-100)*(-6)*(-0.01)7 (1/2--5/9+5/6)*(-36)8 1/(1又1/6-8又3/4*2/7)+14/27/7/189 (2又1/3-3又1/2+1](/uploads/image/z/1168278-6-8.jpg?t=1+%EF%BC%88-23%EF%BC%89-%EF%BC%88-5%EF%BC%89%2B%EF%BC%88-64%EF%BC%89-%EF%BC%8812%EF%BC%892+%EF%BC%882%2F3%EF%BC%89-1%E5%8F%882%2F5%2B4%2F3%2B2%2F5-33+%7Cx%7C%3D1+%E5%88%99x%E4%B8%8E-3%E7%9A%84%E5%B7%AE%E4%B8%BA%E5%A4%9A%E5%B0%91%3F4+%EF%BC%88-9%EF%BC%89%2A2%2F35+%EF%BC%88-1.5%EF%BC%89%2A%EF%BC%88-1.5%EF%BC%896+%EF%BC%88-14%EF%BC%89%2A%28-100%29%2A%28-6%29%2A%28-0.01%297+%281%2F2--5%2F9%2B5%2F6%29%2A%28-36%298+1%2F%281%E5%8F%881%2F6-8%E5%8F%883%2F4%2A2%2F7%29%2B14%2F27%2F7%2F189+%EF%BC%882%E5%8F%881%2F3-3%E5%8F%881%2F2%2B1)
1 (-23)-(-5)+(-64)-(12)2 (2/3)-1又2/5+4/3+2/5-33 |x|=1 则x与-3的差为多少?4 (-9)*2/35 (-1.5)*(-1.5)6 (-14)*(-100)*(-6)*(-0.01)7 (1/2--5/9+5/6)*(-36)8 1/(1又1/6-8又3/4*2/7)+14/27/7/189 (2又1/3-3又1/2+1
1 (-23)-(-5)+(-64)-(12)
2 (2/3)-1又2/5+4/3+2/5-3
3 |x|=1 则x与-3的差为多少?
4 (-9)*2/3
5 (-1.5)*(-1.5)
6 (-14)*(-100)*(-6)*(-0.01)
7 (1/2--5/9+5/6)*(-36)
8 1/(1又1/6-8又3/4*2/7)+14/27/7/18
9 (2又1/3-3又1/2+1又4/45)/(-1又1/6)
要正确的,分数我不在乎!
注意;上面的都不是了,
1.(-12)/[-(-3)+(-15)]/5
2.-3-{-5+(1-0.2/3/5)/(-2)}
3.12/(2+3)
4.(-1)/(-5)*(-1/5)
5.24/(1/3/1/4)
6.(-2)*(-3)*(-1/2)*(+1/3)
1 (-23)-(-5)+(-64)-(12)2 (2/3)-1又2/5+4/3+2/5-33 |x|=1 则x与-3的差为多少?4 (-9)*2/35 (-1.5)*(-1.5)6 (-14)*(-100)*(-6)*(-0.01)7 (1/2--5/9+5/6)*(-36)8 1/(1又1/6-8又3/4*2/7)+14/27/7/189 (2又1/3-3又1/2+1
1 (-23)-(-5)+(-64)-(12)
=-23+5-64-12
=-94
2 (2/3)-1又2/5+4/3+2/5-3
=2/3-7/5+4/3+2/5-3
=(2/3+4/3)+(-7/5+2/5)-3
=2-1-3
=-4
3 |x|=1 则x与-3的差为多少?
X可能是1或-1
当X=1,X-(-3)=1+3=4
当X=-1,X-(-3)=-1+3=2
4 (-9)*2/3
=-6
5 (-1.5)*(-1.5)
=2.25
6 (-14)*(-100)*(-6)*(-0.01)
=14*6*100*0.01
=84
7 (1/2--5/9+5/6)*(-36)
=-36/2+5*36/9-5*36/6
=-18+20-30
=-28
8 1/(1又1/6-8又3/4*2/7)+14/27/7/18
先算括号里的
1又1/6-8又3/4*2/7=(7/6)-(35/4)*2/7=-4/3
上式=1/(-4/3)+4/3
=(-3/4)+(4/3)
=7/12
9 (2又1/3-3又1/2+1又4/45)/(-1又1/6)
=〔(7/3)-(7/2)+(49/45)〕/(-7/6)
=(-7/90)*(-7/6)
=49/540