KOLEJNOŚĆ WYKONYWANIA DZIAŁAŃ
a) 1 1/3 - 1/3 : 7/6 * 14/15 * 5/4 =
b) 9,8 + 1/3 * ( 2,1 - 1,5) =
c) (1,2 : 3/5 - 1 1/3 * 0,3) : 1 1/7 =
d) 9,8 + 1/3 * (2,1 - 1,5) =
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a)4/3-1/3*6/7*14/15*5/4=4/3-6/21*7/6=4/3-1/3=1
b)9.8+1/3*(2.1-1.5)=9.8+1/3*6/10=9.8+0.2=10
c)(1/2:3/5-4/3*0.3):8/7=(5/6-0.4):8/7=26/60*7/8=0.3791(6)
d)9.8+1/3*(2,1-1,5)=9.8+1/3*6/10=9.8+0.2=10
a)
1 1/3 - 1/3 : 7/6 * 14/15 * 5/4 = 4/3 - 1/3*6/7*14/15 * 5/4= 4/3 - 1/3*2*2*1/4=
4/3 - 4/12= 16/12-4/12 = 12/12 = 1
b)
9,8 + 1/3 * ( 2,1 - 1,5) =9,8+1/3 *0,6=9,8 +0,6/3= 9,8 +0,2=10
c)
1,2 : 3/5 - 1 1/3 * 0,3) : 1 1/7 = ( 1,2 *5/3 - 3,3/3) : 8/7=
(6/3 -1,1) * 7/8= (2-1,1)*7/8= 0,9 * 7/8= 9/10 * 7/8= 63/80
d)
9,8 + 1/3 * (2,1 - 1,5) =9,8 + 1/3 *0,6= 9,8 + 0,6/3= 9,8 + 0,2= 10