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Gọi số thứ nhất và số thứ hai lần lượt là a,b
Theo đề bài, ta có: (a+b):2=62 Suy ra a+b=62*2=124
a-b=24
Ta có: a+b=124; a-b=24
Suy ra b=(124-24):2=50
Vậy số thứ hai là 50
Tổng hai số là: 62x2 = 124
Số thứ hai là: ( 124 -24) : 2 =50 ( m)
tong 2 so la: 262x2= 524
so1 la:(524 + 226) :2 =375
so2 la :524 - 375= 149
Tổng của hai số là
262x2=524
Số thứ hai là
(524-226):2=149
Số thứ nhất là
(524+226):2=375
Đáp số.......
Nếu giảm số thứ hai đi 468 đvị thì được số thứ nhất => Số thứ hai hơn số thứ nhất 468 đvị
Tổng hai số là
1000x2=2000
Số thứ nhất là
(2000-468):2=766
Số thứ hai là
(2000+468):2=1234
Đáp số.........
Tổng 2 số là : 62 x 2 = 124
Số thứ nhất là : ( 124 + 24 ) : 2 = 74
Số thứ hai là : 124 - 74 = 54
Tổng 2 số đó là :
62 x 2 = 124
Số thứ 2 là :
( 124 - 24 ) : 2 = 50
đáp số : 50
Tổng 2 số đó là :
62 x 2 = 124
Số thứ 2 là :
( 124 - 24 ) : 2 = 50
đáp số : 50
Tổng của 3 số đó là:
62 x 3 = 186
Số thứ hai là:
186 - ( 24 + 12 ) : 3 = 174
Số thứ ba là:
174 + 12 = 186
Số thứ nhất là:
174 + 24 = 198
Đáp số:.....
Gọi a là số thứ nhất, b là số thứ hai, ta có:
a+12 -b= 240
=> a-b = 228
Ta lại có: a+b = 210x2 = 420
=> a = (228+420):2 = 324
=> b = 324-228 = 96
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Tổng của hai số là :
62 x 2 = 124
Số thứ hai là :
( 124 - 24 ) : 2 = 50
Đáp số : 50
#Học tốt#
Tổng 2 số là: 62x2=124
Ta có sơ đồ:(bạn tự vẽ nha)
Số thứ nhất là: (124+24):2=74
Số thứ hai là: 74-24=50
Đáp số: Số thứ nhất:74
Số thứ hai:50