Odpowiedź :
1,2*30-(0,2³+0,002)*3200= 1,2*30-(0,8+0,002)*3200= 1,2*30-0,802*3200=36-2566.4= -2530.4
(2 3/7+ 1 4/6)- (5 6/10- 4 3/5) = (17/7 + 7/6)-(56/10-23/5)= ( 17*1 1*6)- (56/10 -23*2 5*2) = 17/6 - (56/10 - 46/10)= 17/6- 10/10= 2 5/6 - 1= 1 5/6
( 16 1/3 - 13 16/18) * 9/11= (49/3 -250/18)*9/11= (49*6 3*6 - 250/18)*9/11 = (294/18 - 250/18)*9/11= 44/18 *9/11= 4*1 2*1= 4/2= 2
(11/8 : 3+0,625)*3,6*10= (11/8 *3+0,625)*3,6*10= 33/8+ 0,625)*3,6*10= 4,75* 36= 171
(7/3-5/12+ 1 1/2) : ( 2 3/4 - 5/6)+ 1 5/23= ( 7*5 3*12 + 3/2) : (11/4- 5/6) + 28/23= (35/36+ 3/2) : ( 55/24) + 28/23= (35/36+3*18 2*18) : 55/24 + 28/23= (35/36+ 54/36) :55/24 + 28/23 = 89/36 : 55/24 + 28/23= 89*55 34*24 + 28/23 = 4895/816 + 28/ 23 = 6+ 28/23 = 7 5/23
3 3/4 : 0,05+0,1 *100= 75+10 = 85
( 16/14* 1,4+1,4)* 2,4 = (0,6+ 1,4)*2,4= 2*2,4= 4,8
Uwaga nie dam uciąć ręki że wszystko dobrze jeśli bedzie jakiś bład prosze zgłaszać w kom!!!
Odpowiedź:
1,2 * 30 - ( 0,2³ + 0,002) * 3200 = 1,2 * 30 - (0,008 + 0,002) * 3200 = 36 - 0,01 * 3200 = 36 - 32 = 4
(2 i 3/7 + 1 i 4/6) - (5 i 6/10 - 4 i 3/5) = (2 i 18/42 + 1 i 28/42) - (5 i 6/10 - 4 i 6/10) = 3 i 46/42 - 1 = 2 i 46/42 = 3 i 4/42 = 3 i 2/21
(16 i 1/3 - 13 i 16/18) * 9/11 = (16 i 6/18 - 13 i 16/18) * 9/11 = (15 i 24/18 - 13 i 16/18) * 9/11 = 2 i 8/18 * 9/11 = 44/18 * 9/11 = 4/2 = 2
(1 i 1/8 : 3 + 0,625) * 3,6 * 10 = (9/8 * 1/3 + 0,625) * 3,6 * 10 = (3/8 + 0,625) * 3,6 * 10 = (0,375 + 0,625) * 36 = 1 * 36 = 36
(7/3 - 5/12 + 1 i 1/2) : (2 i 3/4 - 5/6) + 1 i 5/23 = (28/12 - 5/12 + 1 i 6/12) : (2 i 9/12 - 10/12) = (23/12 + 1 i 6/12) : (1 i 21/12 - 10/12) = 1 i 29/12 : 1 i 11/12 = 41/12 * 12/23 = 41/23 = 1 i 18/23
3 i 3/4 : 0,05 + 0,1 * 100 = 3,75 : 0,05 + 10 = 75 + 10 = 85
(6/14 * 1,4 + 1,4) * 2,4 = (6/14 * 14/10 + 14/10 ) * 2,4 = (3/5 + 14/10) * 2,4 = (0,6 + 1,4) * 2,4 = 2 * 2,4 = 4,8