11) Oblicz:
a) -7 * 1 1/6
b) - 3/5 * (-15)
c)0,3*(-0,15)
d)-4,5*(-2)*(-1)
e)1 1/4* (-4/5)
f)7/8*(-2 1/5) * (-8/11)* (-2 1/7)
g)-7* (-0,2)* 5/14* 3,4* (-10/17)
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a) -7 * 1 1/6=-7*7/6=-49/6=-8 1/6
b) - 3/5 * (-15)=skracamy =9
c)0,3*(-0,15)=- 0,045
d)-4,5*(-2)*(-1)=-9
e)1 1/4* (-4/5)=skracamy= - 1
f)7/8*(-2 1/5) * (-8/11)* (-2 1/7)=7/8*(-11/5)*(-8/11)*(-15/7)=skracamy=-3
g)-7* (-0,2)* 5/14* 3,4* (-10/17)=-7*(-1/5)*5/14*17/5*(-10/17)=skracamy=-1