35.(72-135) - 135.(72-35)= 35.72 - 35.135 - 135.72 - 135.35
= 35.72 - 135.72 - [(35.135) - (135.35)]
=72.(35-135) -0
=72.(-100)
=(-7200)
35.(72-135) - 135.(72-35)= 35.72 - 35.135 - 135.72 - 135.35
= 35.72 - 135.72 - [(35.135) - (135.35)]
=72.(35-135) -0
=72.(-100)
=(-7200)
1. Tính nhanh ( nếu có )
(-14).(-125).(-50).8
35.(72-135)-135(72-35)
2. Tìm số nguyên x
x +3-3.(x+5) = x-9
Giúp mình nhé, mình cầm gấp :v!
1. Tính nhanh ( nếu có )
(-14).(-125).(-50).8
35.(72-135)-135(72-35)
2. Tìm số nguyên x
x +3-3.(x+5) = x-9
Giúp mình nhé, mình cầm gấp :v!
Tính nhanh:
1) 69.(− 74)−31.74
2) (− 2020).35− 2020.65
3) − 23.59 −159.23
4) −147.47+ (− 47).(− 47)−300
5) (− 72).30 −31.−30 + 3.+ 30
6) (−82).(−55)+ (−82)+ (− 46).(−82)
7) (− 41).135+135.(− 24)−35.(−65)
8) 125.( 2) .( 25).9.( 10) .4 3 0 − − −
9) ( 2) .( 25).( 125).( 2) .2.( 50) 2 3 − − + − −
10) 125.(−88)
Tim x :
a) -121-( -35 - x) =50
b) 17 + x - (352 - 400) = -32
c)2130 - ( x + 130) + 72 = - 64
d) |x| - 5 = -1
e) |x + 2| - 12 = -1
f) 135 - |9 - x| = 35
g) | x - 5| - 3| = 9
ai nhanh mik tik
Help me!!!!!!!!!!!!!
2130 - ( x +130) + 72 = - 64
l x l - 5 = -1
l x+2 l - 12 = -1
135 - (9 - x ) = 35
15 - ( -x +18 ) = -24
(135-7)×5-135×5+35
Tinh nhanh
tính nhanh: 135*57+135*86-35*143
91*47+49*53-18*47+24*53
giúp mik :v
tinh nhanh :
\((135-35).(-37)+37.[(-42)-58]\)
135.(35-42)-35.(135-42)
Mik cần gấp cảm ơn ạ!