∛625 + √16 - ∛40 - √25 = ∛(5*5³) + √4² - ∛(5*2³) - √5² = 5∛5 + 4 - 2∛5 - 5 =
= 3∛5 - 1
2sin(pi/10x)+1=0
sin(pi/10x)=-1/2
pi/10x=(-1)^k+1*pi/6+pik
x=(-1)^k+1*pi/6+10/pi+10k, k∈Z
<span>687,8+(88,0802-85,3712)/0,045= 687,8+(2,709)/0,045=687,8+60,2=748</span>
3200:100*5=160
3200-160=3040
4х>36 - 12 - 16х -15
4х + 16х = - 15- 36 -12
20х= - 63
х= -63: 20
х=- 3.15