a). ½ × [( -1)⁸+(-1)⁸]=½*[1+1]=½*2=1
b).(-3⅓ ) ³ *0,3⁴-(-½)³ * (1⅓)²=(-10/3)³+(3/10)⁴+⅛*(4/3)² = -1000/27*81/10000+⅛*16/9 = -3/10+2/9=-27/90+20/90=-7/90
c).(1⅓)³ * (-3¾)²:3-(⅓)³=(4/3)³*(-15/4)²:3-(1/27) = 64/27*(-225/16):3-1/27 = 25/3-1/27= 225/27-1/27=224/27=8 8/27
d).(-0,3)²: 0,1-0,2³ *( 2½)²=0,09:0,1-0,008*6,25=0,9-0,05=0,85
e). (0,1)⁴ * 20³+(1½)³:(-0,3)² = 0,0001*8000+(3/2)³:0,09 = 8/10+27/8:9/10 = 8/10+15/4 = 16/20+75/20=91/20=4,55
