a) (1/2 - 2/5 ) * 6 2/3 =b) 4*3 1/8 - (2 1/2 do potęgi 2 ) =c) 1 1/8 * (4 3/5 - 2 7/10 ) + ( 1/2 do potęgi 3 ) =
a)(1/2 - 2/5 ) * 6 2/3 = (5/10 - 4/10)*6 2/3 = 1/10*6 2/3= 1/10 * 20/3 = 20/30 = 2/3
b)4*3 1/8 - (2 1/2 do potęgi 2 ) = 100/28 - 25/4 = 100/28 - 175/28 = -75/28
a) (1/2 - 2/5 ) * 6 2/3 =(1/10)*20/3=2/3b) 4*3 1/8 - (2 1/2 do potęgi 2 ) =4*25/8-25/4=25/2-25/4=25/4c) 1 1/8 * (4 3/5 - 2 7/10 ) + ( 1/2 do potęgi 3 ) = 9/8*(23/5-27/10)+(1/8)=63/20
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a)(1/2 - 2/5 ) * 6 2/3 = (5/10 - 4/10)*6 2/3 = 1/10*6 2/3= 1/10 * 20/3 = 20/30 = 2/3
b)4*3 1/8 - (2 1/2 do potęgi 2 ) = 100/28 - 25/4 = 100/28 - 175/28 = -75/28
a) (1/2 - 2/5 ) * 6 2/3 =(1/10)*20/3=2/3
b) 4*3 1/8 - (2 1/2 do potęgi 2 ) =4*25/8-25/4=25/2-25/4=25/4
c) 1 1/8 * (4 3/5 - 2 7/10 ) + ( 1/2 do potęgi 3 ) = 9/8*(23/5-27/10)+(1/8)=63/20