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5*(3/10)
3/10*5
3/2
| X/3-2=- | | X+7-2(x+5)= | | 13+35n+24n=13 | | n/3.4=5 | | x^2+(x+2)=340 | | 4(n-5)=32 | | 4tg^2x/1-tg^2x=2tg2x | | 1*2=0.5 | | 3(5j+8)=1 | | 5/30= | | 4e+18= | | a^3-a^4=1 | | 0.372=0.036x | | 16x^2+24x-27=0 | | 4x+8=-6x-2 | | 4x+8=-6-2 | | -30x=x | | 0.25y=-6.1 | | 3x+(2x-5)+90=180 | | (1÷16)1/4 | | m(t)=4t^2-32t+63 | | 10-3n=11 | | 4x=(3x-x)+1 | | -x+3-3x=2x-1 | | 5.75=d+0.29 | | 15x^2+3x^4-72=0 | | 150=25*h | | 6x+13=-2x-16 | | 6.08+w=21.08 | | 9.5w=142.5 | | .3x+2x=2.5+3.5 | | 6F-18.47=7.6F+5.21 |