1.Do liczby -12,5 dodaj iloczyn liczb 4i1/3 i -3.9 oblicz
2.Do liczby -10,6 dodaj iloczyn liczb 4 i 1,1/5
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1.
-12,5+(4
*(-3,9)=-12,5+(4
)*(-
)=-12,5+15,6=3,1
2.
-10,6+(4*1
)=-10,6+(4*1,2)=-10,6+4,8=-5,8
1.
(-12,5)+4 1/3·(-3,9) = (-12,5)+13/3·39/10 = (-12,5)+169/10 = (-12,5)+16,9 = 4,4
2.
(-10,6)+4·1 1/5 = (-10,6)+4·1,2 = (-10,6)+4,8 = -5,8