(3целая1/2-2целая 2/3+5целых 5/6+4целых 3/5)*24= (5целых3/8+18целых1/2-7целых5/24): 16целых2/3= (12целых5/12+1целая2/3-3целых5/6+2целых3/4): (2целых1/2*2/5-7/9)= 48целых3/5: 6целых3/4*5/12-2целых5/6+1целая75/94*(1целая1/2*1/3-13: 26)=
109
255
Ответы на вопрос:
(3 1/2 - 2 2/3+5 5/6+4 3/5)*24=270 2/5 1) 3 1/2-2 2/3=3 3/6 - 2 4/6=5/6 2) 5/6+5 5/6=5 10/6=6 4/6=6 2/3 3) 6 2/3+4 3/5=6 10/15+4 9/15=10 19/15=11 4/15 4) 11 4/15 * 24=169/15 * 24=1352/5=270 2/5 ( 5 3/8+18 1/2 - 7 5/24) : 16 2/3=1 1) 5 3/8+18 1/2 - 7 5/24=5 9/24+18 12/24 - 7 5/24=16 16/24=16 2/3 2) 16 2/3 : 16 2/3=1 (12 5/12+1 2/3 - 3 5/6+2 3/4) : (2 1/2 * 2/5 - 7/9)=2 8/9 1) 12 5/12+1 2/3 -3 5/6+2 3/4=12 5/12+1 8/12 - 3 10/12+2 9/12=12 12/12=13 2) 2 1/2 * 2/5=5/2 * 2/5=1 3) 1-7/9=9/9-7/9=2/9 4) 13*2/9=26/9=2 8/9 48 3/5 : 6 3/4 * 5/12 - 2 5/6+1 75/94 * (1 1/2 * 1/3 - 13: 26)=11/12 1) 48 3/5 : 6 3/4=243/5 * 5/27=9 2) 9 * 5/12=15/4=3 3/4 3) 1 1/2 * 1/3=3/2*1/3=1/2 4) 13: 26=13/26=1/2 5) 1/2 - 1/2=0 6) 1 75/94 * 0=0 7) 3 3/4 - 2 5/6 +0=3 9/12 - 2 10/12=11/12
А) 4 11/18 * 6/7 = 83/18 * 6/7 = (83*1)/(3*7) = 83/21 = 3 20/21 б) (1 1/2)^3 - 2 1/4 * 1 1/3 = 3/8 1) 1 1/2 * 1 1/2 * 1 1/2 = 3/2 * 3/2 * 3/2 = 27/8 = 3 3/8 2) 2 1/4 * 1 1/3 = 9/4 * 4/3 = 9/3 = 3 3) 3 3/8 - 3 = 3/8
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