

Lê Kim Dung
Giới thiệu về bản thân
Chào mừng bạn đến với trang cá nhân của Lê Kim Dung





0





0





0





0





0





0





0
2024-08-06 20:41:17
a)x*0,45=3,69:0,1
x*0,45=36,9
x =36,9:0,45
x =82
b)4,7-x = 10,92:5,2
4,7-x = 2,1
x = 4,7- 2,1
x = 2,6
chúc bn hc tốt :))
2024-08-06 20:34:15
a)3,57*0,4+0,43*0,4
=0,4*(3,57+0,43)
=0,4*4
=1,6
b)5,43+0,45+3,55+0,2
=(5,43+0,2)+(3,55+0,45)
=5,63+4
=9,63
chúc bn học tốt ạ^^