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8833,62753 : 10101 x 100
= 8833,62753 : 1010100
= 0.0087453
HT
( 128,6 - 54,48 ) : 3,4 + 19,55 x 4= 74.12:3.4+19.55x4=21.8+78.2
=100
nhớ t*** cho me nha
a : 12.03
b : 23.45
dung 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999% luôn đó
10+2+3/100
=10+2+0,03
=12+0,03
=12,03
23+4/10+5/100
=23+0,4+0,05
=23,4+0,05
=23,45
\(y:0,001+y:0,01+y:0,1=99:\frac{1}{100}\)
\(\Rightarrow y\times1000+y\times100+y\times10=99\times100\)
\(\Rightarrow y\times\left(1000+100+10\right)=9900\)
\(\Rightarrow y\times1110=9900\)
\(\Rightarrow y=\frac{9900}{1110}\)
54,48:10-39,5:100
=5,448-0,395
=5,053