Xx3:8-1912=7778
x*3:8-1912=7778
x * 3 : 8 - 1912 = 7778
x * 3 : 8 = 7778 + 1912
x * 3 : 8 = 9690
x * 3 = 9690 * 8
x * 3 = 77520
x = 77520 : 3
x = 25840
đề bài là x : 3/8 - 1912 = 7778 phai ko
x : 3/8 = 7778 + 1912
x : 3/8 = 9690
x = 9690 x 3/8
x = 14535/4 hoac 3633.75 . neu dung k minh nha
X x 3 : 8 - 1912 = 7778
X*3:8-1912=7778
TRA LOI X=......
X x 3 : 8 - 1912 = 7778
X x3 : 8 = 7778 + 1912
X x 3 : 8 = 9690
X x 3 = 9690 x 8
X x 3 = 77520
X = 77520 : 3
X = 25840
vây X - 25840
X*3:8-1912=7778
Tìm x
bạn nào đúng mình tick cho
X bằng cái gì vậy bạn, có vẻ như thiếu dữ kiện rồi
Xx3/7=1-5/8
$x\times\dfrac{3}{7}=1-\dfrac{5}{8}$
$=>x\times\dfrac{3}{7}=\dfrac{3}{8}$
$=>x=\dfrac{3}{8}:\dfrac{3}{7}$
$=>x=\dfrac{7}{8}$
2566+7778
7778+7878787+878787878+777+1=.........
7778+7878787+878787878+777+1=886675221
k nha!
Tìm x ∈ ℕ , biết:
a ) − 8 3 + − 1 3 < x < − 2 7 + 9 7 b ) − 5 8 + 7 2 + 23 − 8 < x < − 1 3 + 1 + 7 3 c ) − 5 4 + 19 12 + − 10 3 < x < − 19 6 + 15 2 + 11 3
a) – 3 < x < 1 => x = 0
b) 0 < x < 3 => x ∈ {1;2}
c) -3 < x < 8 => x ∈ {0;1;2;3;4;5;6;7}
1111+2222+4444+5556+7778+8889
tính bằng cách thuận tiện
gom vô
TRANSLATE with x
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(1111+8889)+(2222+7778)+(4444+5556)
=10000+10000+10000
Đây nha