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2022-05-21 11:08:23
x+295=45x11
x+295=495
x=495-295
x=200.
2022-05-21 11:06:00
25x47x4=25x4x47=100x47=4700
chúc em học tốt☺☘
2022-05-21 11:00:55
a)4/7:8/11=4/7x11/8=44/56=11/14.
b)5/8-4/9=45/72-32/72=13/72.
c)9/16x4/3=36/48=3/4.
d)3/5+4/5:2/5=3/5+4/5x5/2=3/5+20/10=6/10+20/10=26/10=13/5
chúc em học tốt ☺
2022-05-20 22:04:45
2022-05-03 11:05:35
204 nha
2022-04-06 15:32:40
2022-04-06 15:27:58
2022-04-06 15:27:58
2022-04-06 15:27:58
2022-04-06 15:27:58