Oblicz i skróć jeśli to możliwe Daję naj a) 4* 3 i 1/2 3* 5 i 1/3 5* 4 i 1/5 b) 2* 1 i 2/3 2* 1 i 2/8 2* 2 i 3/4 c) 3* 1 i 1/3 3* 2 i 2/3 3* 2 i 1/6 d) 4* 2 i 1/4 3* 2 i 3/4 4* 1 i 1/7

a)4 * 3 1/2 = 4 * 7/2 = 28/2 = 143 * 5 1/3 = 3 * 16/3 = 48/3 = 165 * 4 1/5 = 5 * 21/5 = 105/5 = 21 b)2 * 1 2/3 = 2 * 5/3 = 10/3 = 3 1/32 * 1 2/8 = 2 * 10/8 = 20/8 = 5/2 = 2 1/22 * 2 3/4 = 2 * 11/4 = 22//4 = 11/2 = 5 1/2 c)3 * 1 1/3 = 3 * 4/3 = 12/3 = 43 * 2 2/3 = 3 * 8/3 = 24/3 = 83 * 2 1/6 = 3 * 13/6 = 39/6 = 13/2 = 6 1/2 d)4 * 2 1/4 = 4 * 9/4 = 36/4 = 93 * 2 3/4 = 3 * 11/4 = 33/4 = 8 1/44 * 1 1/7 = 4 * 8/7 = 32/7 = 4 4/7

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