=(313.3.33-15.314):(317:32)
=(314.33-15.314):315
=[314.(33-15)]:315
=[314.18]:315
=[314.32.2]:315
=316.2:315 => (316:315).2=3.2=6
=(313.3.33-15.314):(317:32)
=(314.33-15.314):315
=[314.(33-15)]:315
=[314.18]:315
=[314.32.2]:315
=316.2:315 => (316:315).2=3.2=6
Tìm số nguyên x biết:
a/ 43+(9-21)=317-(x+317)
b/(15-x)+(x-12)=7(-5+x)
c/x-{57-[42+(-23-x)]}=13-{47+25-(32-x)]}
Tìm x, biết:
a) (x - 32) - 68 = 0;
b) 274 - ( 9.x + 18) = 4
c) 442 + (418 - x) = 860;
d) 107 + (210 - x) = 317
a,-317+402-583+98 b,-200-(181-655)+61-2655
c,(461-148) -(461-80 )-68 d,834+[657-(257+234)]
e, 36:32 -2.53
BT
a,,43+(9-21)=317-(x+317)
b,,(15-x)+(x-12)=7-(-5+x)
c,,x-{57 -[42 +(-23-x)]}=13-{47+[25-(32-x]}
d,,|x|+|y|=1
e,,(x+1) +(x+3)+(x+5)+...+(x+99)=o
a , 43 + ( 9 - 21 ) = 317 - ( x + 317 )
b , ( 15 - x ) + ( x - 12 ) = 7 - ( -5 + x )
c , x - { 57 - [ 42 + ( -23 - x )]} = 13 - { 47 + [ 25 - ( 32 - x )]}
d , -7 + | x - 4 | = -3
e , 13 - | x + 5 | = 13
g , | x - 10 | - ( -12 ) = 4
h , | x + 2 | < 5
a. x + (-45) = (-62 ) + 17
b. x + 29 = /-43/ + (-43)
c. 43 + (9 - 21) = 317 - ( x +317)
d. (15 - x ) + ( x - 12 ) = 7 - ( -5 + x )
e. x - { 57 - [ 42 + ( -23 - x ) ] } = 13 - { 47 + [ 25 - ( 32 - x ) ] }
f. / x / + /-4/ = 7
tìm x
11, (x+3)3 = 125
12, (2x)4 = 16
13, 32 : (3x - 2) = 23
14, 20 - 2(x + 4) = 23
15, 14 ⋮(2.x+3)
16, 30- [4(x - 2)+15] = 3
17, 27 : ( x - 1)= 32
18, (10 + 2x) : 42011= 42013
19, (x + 5) ⋮(x +2)
20,[(8x - 12) : 4].33=36
mong các bạn giúp mình ^^
97(1-317)-317(-97)
tim x biết 55=317-x - 317
1) 25.4.5.27.2
2) 463 + 318 + 317
3) 28.64 + 28.35 + 28
4) 1+2+3+...+ 100
5) ( 1200 + 60 ) : 12
6) 25 + 28 - 7 + 32 - 8 -5 - 2 +17
7) 36 .5 + 72 .2 - 216 + 144
8) ( 45.46 + 47.48 ) . ( 51.52 -49.48 ) . (45.128 - 90.64 ) . ( 1995.1996 + 1997 . 1998 )
Ai trả lời được nói gì mình cũng nghe