Odpowiedź:
(5,2 + 13,8) - 12,29 = 19 - 12,29 = 6,71
5 * (40,02 - 28,678) = 5 * 11,342 = 56,71
0,35 : 0,5 + 0,3 * 0,2 = 0,7 + 0,06 = 0,76
(2,34 - 1,5) * (1,3 + 8,7) = 0,84 * 10 = 8,4
3/4 + 1 i 1/2 - 1/3 = 9/12 + 1 i 6/12 - 4/12 = 1 i 15/12 - 4/12 = 1 i 11/12
2 i 1/2 - 2/3 + 3/5 = 2 i 15/30 - 20/30 + 18/30 = 1 i 45/30 - 20/30 + 18/30 = 1 i 25/30 + 18/30 = 1 i 43/30 = 2 i 13/30
(2 i 1/4 + 7 i 1/5) * 6 i 2/3 = (2 i 5/20 + 7 i 4/20) * 6 i 2/3 = 9 i 9/20 * 6 i 2/3 = 189/20 * 20/3 = 63
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Odpowiedź:
(5,2 + 13,8) - 12,29 = 19 - 12,29 = 6,71
5 * (40,02 - 28,678) = 5 * 11,342 = 56,71
0,35 : 0,5 + 0,3 * 0,2 = 0,7 + 0,06 = 0,76
(2,34 - 1,5) * (1,3 + 8,7) = 0,84 * 10 = 8,4
3/4 + 1 i 1/2 - 1/3 = 9/12 + 1 i 6/12 - 4/12 = 1 i 15/12 - 4/12 = 1 i 11/12
2 i 1/2 - 2/3 + 3/5 = 2 i 15/30 - 20/30 + 18/30 = 1 i 45/30 - 20/30 + 18/30 = 1 i 25/30 + 18/30 = 1 i 43/30 = 2 i 13/30
(2 i 1/4 + 7 i 1/5) * 6 i 2/3 = (2 i 5/20 + 7 i 4/20) * 6 i 2/3 = 9 i 9/20 * 6 i 2/3 = 189/20 * 20/3 = 63