1. y'=(4^x)*ln4+3/x
2. y=3/(4*sqrt(x))=3/4*x^(-1/2), y'=3/4*(-1/2)*x^(-3/2)=-3/8*x^(-3/2)
3. y'=e^x*x^6+6*e^x*x^5=e^x(x^6+6x^5)
1. а)3900
б)2070
в)11000
2. а)6
б)500
в)18
3. а)600
б)3700
в)15750
<span>d+1/5=4/7+3/7</span>
<span>д+1/5=7/7</span>
<span>д=1-1/5</span>
<span>д=4/5</span>
<span>
</span>
<span><span>f+4/5=4/7+3/7</span></span>
<span><span>f+4/5=7/7</span></span>
<span><span>f=1-4/5</span></span>
<span><span>f=1/5</span></span>
<span><span>
</span></span>
<span><span><span>b+2/5=4/7+3/7</span></span></span>
<span><span><span>b+2/5=7/7</span></span></span>
<span><span><span>b=1-2/5</span></span></span>
<span><span><span>b=3/5</span></span></span>
Ответ:
а)3×5×2×7=(5×2)×(3×7)=10×21=210
б)5×5×6×4=(5×6)×(5×4)=30×20=600
в)7×2×5×2×5=(2×5)×(2×5)×7=10×10×7=100×7=700
г)2×9×5×5×4=(2×5)×(5×4)×9=10×20×9=200×9=1800
д)8×4×125×25=(8×125)×(4×25)=1000×100=100000
е)5×2×2×2×2×5×5×5×6=(5×2)×(5×2)×(5×2)×(5×2)×6=10×10×10×10×6=10000×6=60000
Пошаговое объяснение:
1.
а)-7,4-2,9=-(7,4-2,9)= -4,5
б) -4,1+2,8=-(4,1-2,8)=-1,3
в)8,7-9,4=-0,7
г)-3,7+5,6=2,3
д)-3\8+3\6=-9\24+12\24=12\24-9\24=3\24=1\8
е)-3цел5\9-2цел7\18=-3цел50\90-2цел35\90=-(3цел50\90-2цел35\90)=-1цел15\90=1цел3\18=1цел1\6
2.
остольно не удобно писать и долго