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