Oblicz 32% z liczby 1-1:1/3x4/3x1/3:2x3-1/2+4=1-3*⁴/₃*⅓:2*3-½+4=1-2-½+4=2,5 32%*2,5=0,8 4+2-3x0,2:0,3-2:0,25-0,875=4+2-3*0,2:0,3-2:0,25-0,875=6-2-8-0,875=-4,875 2:[1/4+6-2:(1/3-1/4)]x1/2=2:[¼+6-2:(⅓-¼)]*½=2:(6¼-2:¹/₁₂)*½=2:(6¼-24)*½=2:(-17,75)*½=²/₃₅₅ (ale mógł tu wystąpić błąd) 2-[4-(-0,2):2,4]-0,7=2-[4-(-¹/₁₂)]-0,7=2-4¹/₁₂-0,7=-2¹/₁₂-0,7=-2⁴⁷/₆₀
a) 1-1:1/3*4/3*1/3:2*3-1/2+4=1-1:4/27:2*3/2+4=1-1*27/4:6/2+4= 1-27/4*2/6+4=1-27/12+4=1-2 1/4+4=2 3/4=2,75 32%*2,75=0,32*2,75=8,8 b) 4+2-3*0,2:0,3-2:0,25-0,875=4+2-0,6:0,3-8-0,875=4+2-0,2-8-0,875= -4,675 32%*(-4,675)=0,32*(-4,675)=-1,496 c) 2[-4-(-2):2,4]-7/10=2[-4-(-2)*10/24]-7/10=[-4-(-20/24)]-7/10= -4-(-5/6)-7/10=-4+5/6-7/10=-3 1/6-7/10=-3 5/30-21/30=-3 26/30= -3 13/15 32%*(-3 13/15)=32/100*(-58/15)=-928/750=-1 178/750=-1 89/375
2-[4-(-0,2):2,4]-7/10 = - 100 2:[1/4+6-2:(1/3-1/4)]x1/2 = 8/425 4+2-3x0,2:0,3-2:0,25-0,875= 0
