oblicz.
a) 2 4/5 * 3 b) (16 3/8 - 5 3/5) : 5
a) 4.8
b)0.6
a)
2 4/5 * 3 = 14/5 * 3 = 42/5 = 8 2/5
b)
(16 3/8 - 5 3/5) :5 = (11 3/8 - 3/5) :5 = (18 15/40 - 24/40) :5 = (17 55/40 - 24/40):5 = 17 21/40 : 5 = 701/40 : 5 = 701/200 = 3 101/200
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a) 4.8
b)0.6
a)
2 4/5 * 3 = 14/5 * 3 = 42/5 = 8 2/5
b)
(16 3/8 - 5 3/5) :5 = (11 3/8 - 3/5) :5 = (18 15/40 - 24/40) :5 = (17 55/40 - 24/40):5 = 17 21/40 : 5 = 701/40 : 5 = 701/200 = 3 101/200