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) (-1cała i 1/2)*0.06* (-2/3)*100=
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a) 3/8*(-0,9)*(-16/3)*10=-2 * 9 = -18
b) 5*(-0,25)*0,2*(-4)= 1 * 1 = 1
c) (-2,5)*0,2*(-10)*2=-5* (-2) = 10
d) (-6)*(-4/7)*2/5*(-7)*5/12=(-6) * 4 * 6 = -144
e) (-1½)*0.06* (-2/3)*100=(-3/2)*(-2/3) *0,06*100 = 1* 6 = 6
a) 3/8*(-0,9)*(-16/3)*10= -9*3/8*(-16/3)=-9*-2=18
b) 5*(-0,25)*0,2*(-4)=1
c) (-2,5*0,2*(-10)*2=10
d) (-6)*(-4/7)*2/5*(-7)*5/12=42*(-4/7)*(-1/6)= 42*10,5=441