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75/100+18/21+19/32+1/4+3/21+13/32=3 ban nhe!
ung ho nhe!
3/17 x 4/21 + 3/17 x 25/21 - 8/21 x 3/17 = 3/17 x ( 4/21 + 25/21 - 8) = 3/17 x 1= 3/17
\(\frac{3}{17}.\frac{4}{21}+\frac{3}{17}.\frac{25}{21}-\frac{8}{21}.\frac{3}{17}\)
\(=\frac{3}{17}\left(\frac{4}{21}+\frac{25}{21}-\frac{8}{21}\right)\)
\(=\frac{3}{17}.1\)
\(=\frac{3}{17}\)
a)26,72+13/100 +21/40 = 5344/200+26/200+105/200=(5344+26+105)/200=219/8=27,375
c)3/4+15/40+69/300=150/200+75/200+46/200=(150+75+46)/200=271/200=1,355
75/100+18/21+1/4+19/32+3/21+13/32=3/4+18/21+1/4+19/32+3/21+13/32
=(3/4+1/4) + (18/21+3/21) + (19/32+13/32)
= 1 + 1 + 1
= 3
tik cho mik nha
75/100+18/21+1/4+19/32+3/21+13/32=3/4+18/21+1/4+19/32+3/21+13/32
=(3/4+1/4) + (18/21+3/21) + (19/32+13/32)
= 1 + 1 + 1
= 3
tick nha ^^
\(=\frac{3}{4}+\frac{6}{7}+\frac{19}{32}+\frac{1}{4}+\frac{1}{7}+\frac{13}{32}\)
\(=\left(\frac{3}{4}+\frac{1}{4}\right)+\left(\frac{6}{7}+\frac{1}{7}\right)+\left(\frac{19}{32}+\frac{13}{32}\right)=1+1+1=3\)
120/100
đúng 100% hack baby xes
=2325/736 NHA BN