Odpowiedź:
(1 1/8 : 3 + 0,625) * 3,6 * 10 = (11/8 * 1/3+ 0,625) * 36 = (11/24 + 0,625) *36 =
= (0,458 + 0,625) * 36 = 1,083 * 36 = 38,988
1,2*30-(0,2 do potęgi 2+ 0,002)*3200 = 36- (0,04 + 0,002) * 3200 = 36 - 0,042 * 3200 =
= 36 - 134,4 = -98,4
(7/3 - 5/12 + 1 1/2) : (2 3/4 - 5/6) + 1 5/23 = (28/12 - 5/12 + 18/12) : (11/4 - 5/6) + 15/23 =
= 41/12 : (33/12 - 10/12) + 15/23 = 41/12 : 23/12 + 15/23 = 41/12 * 12/23 + 15/23 =
= 492/276 + 15/23 = 41/23 + 15/23 = 56/23 = 2 12/23 = 2,43
3 3/4: 0,05+0,1* 100 = 15/4 : 5/100 + 10 = 15/4 * 100/5 + 10 = 1500/20 + 10 = 75 + 10 = 85
(6/14* 1,4+1,4)*2,4 = (6/14 * 9/4 + 9/4) * 2,4 = (54/56 + 9/4) * 2,4 = (27/28 + 63/28) * 2,4 =
= 90/28 * 24/10 = 45/14 * 24/10 = 1080/140 = 54/7 = 7 5/7 = 7,71
42,88 : 0,8 = 428,8 : 8 = 4288/10 : 8/1 = 4288/10 * 1/8 = 4288/80 = 268/5 = 53 3/5 = 53,6
7,48 + 10,869 = 18,349
309,47 - 125,98 = 183,49
177,5 * 0,8 = 1775/10 * 8/10 = 14200/100 = 142
Szczegółowe wyjaśnienie:
