a, 8 2/3+3,5
b,18 2/17+15/23+1 15/17+3/19+8/23
c, -2 2/3-0,2+1,75-5/6+0,7
d,(19/21-2/3).2,8
e, 3/11.(2 2/3-1,75)
f,(3/4+0,5).(4/5-0,6)
g, 3 2/5.6 1/4+3 2/5.3 3/4
h, 3 1/9.12 5/7-9 5/7.3 1/9
i, 3,2.15/64-(4/5+2/3)3 2/3
Loga
Sinh Học lớp 12
