几道数学题,过路大仙们等等(√48-√50+√75)乘(-√6)(3√18+1/5√50-4√1/2)除以√32(2-√3)(2+√3)+1-(1/2)的负一次方(2√3+3√2-√6)乘以(2√3-3√2-√6)
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![几道数学题,过路大仙们等等(√48-√50+√75)乘(-√6)(3√18+1/5√50-4√1/2)除以√32(2-√3)(2+√3)+1-(1/2)的负一次方(2√3+3√2-√6)乘以(2√3-3√2-√6)](/uploads/image/z/12342593-65-3.jpg?t=%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E8%BF%87%E8%B7%AF%E5%A4%A7%E4%BB%99%E4%BB%AC%E7%AD%89%E7%AD%89%EF%BC%88%E2%88%9A48-%E2%88%9A50%2B%E2%88%9A75%EF%BC%89%E4%B9%98%EF%BC%88-%E2%88%9A6%EF%BC%89%EF%BC%883%E2%88%9A18%2B1%2F5%E2%88%9A50-4%E2%88%9A1%2F2%29%E9%99%A4%E4%BB%A5%E2%88%9A32%282-%E2%88%9A3%29%282%2B%E2%88%9A3%29%2B1-%281%2F2%29%E7%9A%84%E8%B4%9F%E4%B8%80%E6%AC%A1%E6%96%B9%EF%BC%882%E2%88%9A3%2B3%E2%88%9A2-%E2%88%9A6%EF%BC%89%E4%B9%98%E4%BB%A5%EF%BC%882%E2%88%9A3-3%E2%88%9A2-%E2%88%9A6%EF%BC%89)
几道数学题,过路大仙们等等(√48-√50+√75)乘(-√6)(3√18+1/5√50-4√1/2)除以√32(2-√3)(2+√3)+1-(1/2)的负一次方(2√3+3√2-√6)乘以(2√3-3√2-√6)
几道数学题,过路大仙们等等
(√48-√50+√75)乘(-√6)
(3√18+1/5√50-4√1/2)除以√32
(2-√3)(2+√3)+1-(1/2)的负一次方
(2√3+3√2-√6)乘以(2√3-3√2-√6)
几道数学题,过路大仙们等等(√48-√50+√75)乘(-√6)(3√18+1/5√50-4√1/2)除以√32(2-√3)(2+√3)+1-(1/2)的负一次方(2√3+3√2-√6)乘以(2√3-3√2-√6)
(√48-√50+√75)乘(-√6)
=(4√3-5√2+5√3)乘(-√6)
=(9√3-5√2)×(-√6)
=10√3-27√2
(3√18+1/5√50-4√1/2)除以√32
=(9√2+√2-2√2)÷4√2
=8√2÷4√2
=2
(2-√3)(2+√3)+1-(1/2)的负一次方
=4-3+1-2
=0
(2√3+3√2-√6)乘以(2√3-3√2-√6)
=(2√3-√6)的平方-(3√2)的平方
=12-12√2+6-18
=-12√2
(1)=(4√3-5√2+5√3)乘以-√6
=(9√3-5√2)乘以-√6
=-9√18+5√12
=-27√2+10√3
(2)=(6√2+√2-2√2)/4√2
=5√2/4√2
=5/4
(3)=4-3+1-2
=0
(4)=
(√48-√50+√75)*(-√6)
=(√16*3-√25*2+√25*3)*(-√6)
=(4√3-5√2+5√3)*(-√6)
=(9√3-5√2)*(-√6)
=-9√3*√6+5√2*√6
=-9√18+5√12
=-27√2+10√3
(3√18+1/5√50-4√1/2)/√32
=(3√9*2+1/5√2...
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(√48-√50+√75)*(-√6)
=(√16*3-√25*2+√25*3)*(-√6)
=(4√3-5√2+5√3)*(-√6)
=(9√3-5√2)*(-√6)
=-9√3*√6+5√2*√6
=-9√18+5√12
=-27√2+10√3
(3√18+1/5√50-4√1/2)/√32
=(3√9*2+1/5√25*2-2*2√1/2)/√16*2
=(3*3√2+1/5*5√2-2√4*1/2)/4√2
=(9√2+√2-2√2)/4√2
=8√2/4√2
=2
(2-√3)(2+√3)+1-(1/2)的负一次方
=2*2-√3*√3+1-2
=4-3+1-2
=0
(2√3+3√2-√6)*(2√3-3√2-√6)
=[(2√3-√6)+3√2]*[(2√3-√6)-3√2]
=(2√3-√6)*(2√3-√6)-3√2*3√2
=(12-2*2√3*√6+6)-18
=18-4√18-18
=-12√2
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