maths question ( simple maths)?
1) 3x+3y+x
2)use A = l^ to find the area of a square when l=10
3) expand: -m(2m+1)
4) factorise:g-6g^
thanku
回答 (3)
✔ 最佳答案
1)
3x + 3y + x
= 3x + x + 3y
= 4x + 3y
2)
A = l^2 (l = 10)
A = 10^2
A = 100
3)
-m(2m + 1)
= -m*2m - m*1
= -2m^2 - m
4)
g - 6g^2
= g(1 - 6g)
2) 100
3) -2m^2 -m
3) g(1-6g)
In 1) what is to be done is not mentioned.
1) 4x + 3y
2) something missing?
3) -2m^2 -m
4)something missing?
收錄日期: 2021-05-01 12:18:45
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