2-0.1x除以0.3减去0.3-x分之0.02=1

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2-0.1x除以0.3减去0.3-x分之0.02=1
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2-0.1x除以0.3减去0.3-x分之0.02=1
2-0.1x除以0.3减去0.3-x分之0.02=1

2-0.1x除以0.3减去0.3-x分之0.02=1
聊吧乘3
10(2-0.1x)+150(0.3-x)=3
20-x+45-150x=3
150x+x=20+45-3
151x=62
x=62/151

5√6+6√5)^2-(5√6-6√5)^2
=[(5√6+6√5)+(5√6-6√5)][(5√6+6√5)-(5√6-6√5)]
=(10√6)(12√5)
=120√30
(√2+√3-√6)(√2-√3-√6)
=(√2-√6)²-(√3)²
=2-2√12+6-3
=5-4√3
√12*1/2√3/5√2
=√(12*3/2)*(1/2)/5
=3√2/10