oblicz niewidomą
a)4 1/3 + x = 9 1/2
b)5 5/6 - x = 4 1/3
c)x+6 2/5 =9 2/7
( x to niewiadoma)
a)
b)
c)
4 1/3 + x = 9 1/2
x = 9 (1/2) - 4(1/3)
x= 5 (1/2-1/3)
x =5 (1/6)
5 (5/6) -4(1/3) = x
x = 1 (5/6-1/3)
x = 1 (1/2)
x = 9(2/7) - 6(2/5)
x = 2 (31/35)
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a)
b)
c)
a)
4 1/3 + x = 9 1/2
x = 9 (1/2) - 4(1/3)
x= 5 (1/2-1/3)
x =5 (1/6)
b)5 5/6 - x = 4 1/3
5 (5/6) -4(1/3) = x
x = 1 (5/6-1/3)
x = 1 (1/2)
c)x+6 2/5 =9 2/7
x = 9(2/7) - 6(2/5)
x = 2 (31/35)