Oblicz jak najprostszym sposobem :
a) 3/8 * (-0,9)*(-16/3) * 10 =
b)5*(-0,25)* 0,2 * (-4)=
c) (-2,5) * 0,2 * (-10) * 2 =
d) (-6) * (-4/7) * 2/5 * (-7) * 5/12 =
e)(-1 1/2) * 0,06*(-2/3)* 100 =
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a 3/8*(-0,9)*(-16/3)*10= 3/8*(3/5)*(-8)*10=9/5*2=18
b 5*(-0,25)*0,2*(-4)= -1,25*(-0,8)= 1
c (-2,5)*0,2*(-10)*2= 0,5*(-20)= -10
d d(-6)*(-4/7)*2/5*(-7)*5/12= -6*(-4/7)*(-7)*2/5*5/12= -6*4/1*1/6= -24*1/6= -24/6= -4
e (-1,1/2)*0,06*(2/3)*100= (-3/2)*2/3*0,06*100= -1/1*6= -6