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Khó vãi lìn.Ai mà giải được,toán lớp 6cow màaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
a: k=y/x=6
b: y=6x
c: Khi x=-6 thì y=6*(-6)=-36
Khi x=12 thì y=6*12=72
c: Khi y=60 thì 6x=60
=>x=10
Khi y=15 thì 6x=15
=>x=2,5
a) 15 + 15 x 5 = 15 + 75
= 90
b) 60 + 60 : 6 = 60 + 10
= 70
c) ( 60 + 60) : 6 = 120 : 6
= 20
a. Giá trị của x là : 74
b. Giá trị của y là : 1 ( học sinh có thể chọn 2, hoặc 3)
60:x=6
x=60:6
x=10
cách làm đầy đủ luôn :)
x =10 nhé