Các câu hỏi tương tự
A) 2.(-7)^2+3.(-5)^3
b) 2.(-5)^2+(-3)^3-19
C) | -9+7 | .25-7.(-2)^2
D) 454.(-35)+(-35).546
E) 78.(-99)+99.(-22)
A) 2.(-7)^2+3.(-5)^3
b) 2.(-5)^2+(-3)^3-19
C) | -9+7 | .25-7.(-2)^2
D) 454.(-35)+(-35).546
E) 78.(-99)+99.(-22)
F) 13.(-24).15.(-8).4
G) (-3)^3.67 + (-3)^3.34-(-3)^3
H) -2587.834+2587.(-166)
J)2586.(-7)+2586.(-91)+2586.(-2)
K)6.(45-17)-5.(45-17)
1/2×(2×x-3)+105/2=-137/2 A,-12×25-25×75-25×13 B,-50/7×49/10-35/2×-10/7+ -25/3× -9/5 C,-354+265-156+125 D,-74+40-50+16-35 E,-2/3×4/5+-4/5×4/3-0,125
a) 18/24 + 35/-21 - 1/2
b) -2/3 - 3/-4 + 5/-6
c) ( 3/4 + -7/2) . ( 10/11 + 2/22)
d) ( 7/3 - -7/2) : ( -25/6 . 1/5)
a) 3/4+2/3+3/5
b) 1/2 * 9/13 chia 27/26
c) 2/7*1/9+2/7*2/9+1/3*5/7
d) 11 chia 5/2 +11 chia 7/3 +11 chia 35/6
A -17/30 + 11/15 - 7/12
1/2+3/4-(3/4-4/5)
-7/25×11/13+ -7/25×2/13-18/25
(-3,2)+ -15/64+(0,8-2 4/15)÷3 2/3
-5/9+5/9÷(1 2/3- 2 1/12)
-5/7×2/11+ -5/7×9/11+ 1 5/7
(3/8+ -3/4+7/12)÷5/6+1/2
50%×1 1/3×10×7/35×0,75
Mn giúp mk với
a. 3/2.(5/7-4/3)-4/3(5/7-3/2)
b. 7/9.(27/35-4/3)-4/3(27/35-7/9)
tìm số nguyên x :
a) 9- 25 = ( 7- x) - (25+7)
b) -6x=18
c)35- 3. /x/ = 5.(23- 4)
d)10+2./x/=2.(32-1)
16 tháng 12 2015 lúc 18:49
8. Tìm số nguyên x, biết:
a) 9 - 25 = (7 - x) - (25 + 7);
b) -6x = 18;
c) 35 - 3 . /x/ = 5 . (23 - 4);
d) 10 + 2./x/ = 2. (32 - 1)