24:8=
56:8=
72:8=
hộ em ạ
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24 : 8 = 3
16 : 8 = 2
56 : 8 = 7
80 : 8 = 10
40 : 8 = 5
48 : 8 = 6
64 : 8 = 8
48 : 6 = 8
32 : 8 = 4
8 : 8 = 1
72 : 8 = 9
56 : 7 = 8
24 : 8 =3
16 : 8 = 2
56 : 8 = 7
80 : 8 = 10
40 : 8 = 5
48 : 8 = 6
64 : 8 = 8
48 : 6 = 8
32 : 8 = 4
8 : 8 = 1
72 : 8 = 9
56 : 7 = 8
8 + 8 = 16 32 + 8 = 40 56 + 8 = 64
16 + 8 = 24 40 + 8 = 48 64 + 8 = 72
24 + 8 = 32 48 + 8 = 56 72 + 8 = 80
16 : 8 = 2 32 : 8 = 4 80 : 8 = 10 48 : 8 = 6
24 : 8 = 3 56 : 8 = 7 40 : 8 = 5 8 : 8 = 1
64 : 8 = 8 72 : 8 = 9
8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40
16 : 8 = 2 24 : 8 = 3 32 : 8 = 4 40 : 8 = 5
8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72
48 : 8 = 6 56 : 8 = 7 64 : 8 = 8 72 : 8 = 9
1.
$(5^{1986}-5^{1985}):5^{1985}=5^{1985}(5-1):5^{1985}=5-1=4$
2.
\((7^{846}+7^{847}):7^{846}=7^{846}(1+7):7^{846}=1+7=8\)
3.
\((9^{2018}-3^{4036}):6^{2006}=[(3^2)^{2018}-3^{4036}]:6^{2006}\)
$=(3^{4036}-3^{4036}):6^{2006}=0:6^{2006}=0$
4.
$(7^{80}.8^{70}-56^{70}):56^{70}$
$=[7^{10}(7.8)^{70}-56^{70}]:56^{70}$
$=[7^{10}.56^{70}-56^{70}]:56^{70}$
$=56^{70}(7^{10}-1):56^{70}=7^{10}-1$
5.
$4^{4016}:(4^{4017}-4^{4016})=4^{4016}:[4^{4016}(4-1)]$
$=4^{4016}:4^{4016}:3=1:3=\frac{1}{3}$
6.
$(12^{206}.2^{207}-24^{206}):24^{206}$
$=(12^{206}.2^{206}.2-24^{206}):24^{206}$
$=[(12.2)^{206}.2-24^{206}]:24^{206}$
$=(24^{206}.2-24^{206}):24^{206}$
$=24^{206}(2-1):24^{206}=2-1=1$
7.
$(5^2-24)^{8946}+4^{30}:2^{60}=1^{8946}+(2^2)^{30}:2^{60}$
$=1+2^{60}:2^{60}=1+1=2$
8.
$(37.8^{1007}-7.2^{3021}):8^{1007}=[37.8^{1007}-7.(2^3)^{1007}]:8^{1007}$
$=[37.8^{1007}-7.8^{1007}]:8^{1007}$
$=8^{1007}(37-7):8^{1007}=37-7=30$
8 x 6 = 48
8 x7 = 56
8 x 8 = 64
8 x 9 = 72
48 : 8 = 6
56 : 8 = 7
64 : 8 = 8
72 : 8 = 9
24:8=3
56:8=7
72:8=9
1=3
2=7
3=9