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18*(sin(3*x))^2-(18*(cos(3*x))^2)
8*(9/10)
8*(9/19)
35.4/0.03
0.06*(35.4/0.03)
| 0=24x-21 | | 8v^2+9=-39 | | 2m(3m-6)=0 | | X/30=20/100 | | 14x-20+26x-20=180 | | 8x+18+12+100y=2000 | | 2(4+5b)= | | -5(-7z-8)= | | 5-7k=-3-4(k+1) | | 6-7n^2=-330 | | -8-4(-2-3n)= | | 9x-5.86=-3.70 | | 2=0.6x-0.8x-7 | | x+x+3+2x-7=180 | | -3(-9+5f)+6f= | | 8(9/10) | | X^2+cx+81= | | 8(9/19) | | (5x-3)/5-(x=5)/5=-8 | | -6(7q-9)= | | x^2-28+196=64 | | 32-17=15 | | 10x-13=42 | | 5(-6x*2)+9x= | | 120x^3+120x^2-120x=0 | | (35.4/0.03)*0.06 | | 10y+4x=-8 | | (35.4/0.03)×0.06 | | -9(-7n+8)= | | 7x-8/x | | 3x+7=-5x-1 | | 5x+7=2-x |