Odpowiedź:
- i - daje +, więc:
c) 1,4 * 5,07 = 14/10 * 507/100 = 7/5 * 507/100 = 3549/500 = 7,098
- i + daje -, więc:
d) 0,056 : (-0,7) = 56/1000 : (-7/10) = 56/1000 x (-10/7) = 8/100 x (-1) = -0,08
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Odpowiedź:
- i - daje +, więc:
c) 1,4 * 5,07 = 14/10 * 507/100 = 7/5 * 507/100 = 3549/500 = 7,098
- i + daje -, więc:
d) 0,056 : (-0,7) = 56/1000 : (-7/10) = 56/1000 x (-10/7) = 8/100 x (-1) = -0,08
0,056:(-0,7)=0,08 wystarczy podzielisz licze na naj miłego dnia