150=2.3.52
250=2.53
=>BCNN(150;250)=2.3.53=750
ta có:
150=2.32.5
250=2.53
vậy BCNN(150;250)=2.32.53=2250
150=2.3.52
250=2.53
BCNN(150;250)=2.3.53=750
ta có:
150=2.3.52
250=2.53
vậy BCNN(150;250)=2.3.53=750
150=2.3.52
250=2.53
=>BCNN(150;250)=2.3.53=750
ta có:
150=2.32.5
250=2.53
vậy BCNN(150;250)=2.32.53=2250
150=2.3.52
250=2.53
BCNN(150;250)=2.3.53=750
ta có:
150=2.3.52
250=2.53
vậy BCNN(150;250)=2.3.53=750
BCNN 15;25 . b, ( ) BCNN 7;13 . c, ( ) BCNN 8;9;11 . a, ( ) BCNN 40;52 . b, ( ) BCNN 13;15 . c, ( ) BCNN 10;12;15 . a, ( ) BCNN 60;280 . b, ( ) BCNN 11;55 . c, ( ) BCNN 16;25;32 . a, ( ) BCNN 84;108 . b, ( ) BCNN 25;39 . c, ( ) BCNN 28;56;560 . a, ( ) BCNN 154;220 . b, ( ) BCNN 12;36 . c, ( ) BCNN 24;40;168 . a, ( ) BCNN 770;220 . b, ( ) BCNN 13;39 . c, ( ) BCNN 100;120;140 .
A)BCNN ( 24,12 ) =
B)BCNN( 25,7,1)=
C)BCNN ( 1,8)=
BCNN ( 36,72)=
Đ)BCNN( 24,84,180)=
E)BC( 15;18) = { ...................................................}.
GIÚP MÌNH VỚI MAI MÌNH PHẢI NỘP RỒI
Tìm BCNN của:
(2,3,4,6,8,9) Vậy BCNN là bao nhiêu
tìm a và b. a< b
a) BCNN( a và b) + UCLN (a,b)=19
b) BCNN ( a,b) -UCLN (a,b)=3
1/CHO A=BCNN(1237;2346;124)TÍNH A2
2/CHO 21365 VÀ 54678 CÓ UCLN LÀ A BCNN LÀ B TÍN GIÁ TRỊ 2A+B
tìm BCNN(25;16;36)
BCNN(2;3;4)=.............
BCNN (12;18;30)
BCNN(8;9;12)