Ngày tải lên :
29/08/2014, 14:06
... 98 , 9, 899 9, 905 9, 910 9, 915 9, 920 9, 925 9, 930 9, 935 9, 940 9, 945 1 3 4 99 , 9, 950 9, 955 9, 960 9, 965 9, 970 9, 975 9, 980 9, 985 9, 990 9, 995 1 3 4 N 9 Khi di u phy s N i 2,4,6ch ... 3, 0 19 Tớnh 91 1 ,9; 91 190 ; 0, 091 19; 0,00 091 19 Li gii: 9, 1 19 3, 0 19 ta cú: 91 1, 30, 19 91 190 301 ,9 0, 091 19 0,30 19 0,00 091 19 0,030 19 Hng dn v nh -Hc li bi nh c cỏch khai cn bc hai bng bng s ... 16,8 4, 099 Vy: 1680 16,8.10 4, 099 .10 40 ,99 ?2 Tỡm a/Ta cú: a / 91 1 91 1 = 9, 11 100 = 9, 11.10 9, 11 3,018 b / 98 8 91 1 3,018.10 30,18 b/Ta cú: 98 8 = 9, 88 100 = 9, 88.10 9, 88 3,143 98 8 3,143.10...