December 2018 1 7 Report
1.Wykonaj działania :
a) 2 5/6 + 3 2/3+ 1 5/12
b) 2,4+ 0,05 + 14,9
c) 1.5+ 2 1/3 + 3 1/5
d) 14 7/12 - 3/4 - 1 5/6
e) 40 - 0,8 - 0,32
f) 18,2 - 1 1/4 - 2 1/5
2. Oblicz niewiadomy składnik:
a) 2 1/2 + a + 1 1/2 = 10 3/4 + 3 3/4
b) 3,2 + 0,25 + b + 2,85 = 7,2
c) 1/2 + 1/3 + 1/4 + c + 5 5/12 =10
Z góry wielkie dzięki :D :*


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