191018 x = 1900 +200000000+312077647
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ND
Nguyễn Đức Trí
VIP
1 tháng 8 2023
200000000+70000000+500000+40=170500040
x+x+x+x+x+x+x=7x
a.100000+b.1000+6=a0b006
3457890120021=3.1012+4.1011+5.1010+7.109+8.108+9.107+0.106+1.105+2.104+2.101+1
21 tháng 10 2021
400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
CM
23 tháng 4 2019
Áp dụng tính chất giao hoán của phép cộng ta có:
248×145+1900:100=1900:100+248×145
Theo đề bài ta có: 248×145+1900:100=1900:100+248×y.
Do đó 1900:100+248×145=1900:100+248×y.
Từ đó suy ra y=145.
Đáp án C
PN
0
PN
0
AO
6
6 tháng 4 2019
200000000/900000000 : 200000000/900000000 = 200000000/900000000 x 900000000/200000000 = 1
19 tháng 11 2017
X x (4+6) = 1900
X x 10 = 1900
X = 1900 : 10
X = 190
k mk nha
=875011847
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