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IIIaIIIJlblK
@IIIaIIIJlblK
August 2022
1
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Найдите значение выражения 0,5a + 0.6b , если :
a) a=0.4 , b=0.25
б) a= - 1/2 , b= 1 1/3
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люда219
0.5×0,4+0,6×0,25=0,2+0,15=0,35
0,5×(-1/2)+0,6×11/3=1/2×(-1/2)+6/10×11/3=-1/4+66/30=15/60+132/60=147/60
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0,5×(-1/2)+0,6×11/3=1/2×(-1/2)+6/10×11/3=-1/4+66/30=15/60+132/60=147/60