(1)
∣三次根號-8∣
=∣-2∣
=2
(2)∣√17∣=√17
(3)∣(√2)/-3∣= (√2)/3
(4)∣√3-1.7∣=√3-1.7
(5)∣1.4-√2∣=√2-1.4
計算題:精確到0.01
(1)根號5-根號3+0.145
=2.236-1.732+0.145
=0.649
=0.65
(2)三次根號6-(圓周率)-根號2
=1.817-3.142-1.414
=-2.739
=-2.74
(3)根號10+2.23-(圓周率)
=3.162+2.23-3.142
=2.25
(4) (-4)x√7+2√6(結(jié)果保留三個有效數(shù)字)
=(-4)x2.646+2x2.449
=-10.584+4.898
=-5.686
=-5.69
求絕對值和簡單計算題.
求絕對值和簡單計算題.
求下列各數(shù)的絕對值:
(1)三次根號-8,(2)根號17,(3)根號2/-3,(4)根號3-1.7,(5)1.4-根號2
計算題:精確到0.01
(1)根號5-根號3+0.145
(2)三次根號6-(圓周率)-根號2
(3)根號10+2.23-(圓周率)
(4) (-4)x根號7+2又根號6(結(jié)果保留三個有效數(shù)字)
答對計算題的3和4題另外有分加...
求下列各數(shù)的絕對值:
(1)三次根號-8,(2)根號17,(3)根號2/-3,(4)根號3-1.7,(5)1.4-根號2
計算題:精確到0.01
(1)根號5-根號3+0.145
(2)三次根號6-(圓周率)-根號2
(3)根號10+2.23-(圓周率)
(4) (-4)x根號7+2又根號6(結(jié)果保留三個有效數(shù)字)
答對計算題的3和4題另外有分加...
數(shù)學人氣：102 ℃時間：2020-01-29 02:52:07
優(yōu)質(zhì)解答
我來回答
類似推薦
- 數(shù)學絕對值計算題
- 數(shù)學絕對值應用題
- 初一絕對值的簡單計算題一百道
- 數(shù)學關于絕對值得計算題
- 數(shù)學關于絕對值的計算題
- 已知實數(shù)x,y滿足2x+3y≤14,2x+y≤9,x≥0,y≥0,S=3x+ay,若S取得最大值時的最優(yōu)解有無窮多個,則實數(shù)a=?
- 請問這種成分還屬301不銹鋼嗎?（C-0.1003；Si-0.2467;Mn-2.2387;p-0.358;S-0.169;Cr-14.6342;Ni-6.0215）
- X=2*3*5*7*11*13*17*19*23*29*.N(N為質(zhì)數(shù)),求證:X+1為質(zhì)數(shù)
- 若√2007n是個非零整數(shù),則最小整數(shù)n是?
- Either I or he （ ）soccer with Tom 四個選項 play are plays is
- .the music festival was great!Many famous people （attended） it.
- 如果（M）表示m的全部因數(shù)的和,如（4）=1+2+4=7,則（18）-（21）=（）