Toán Lớp 6: Tìm số tự nhiên c sao cho (3.2).5 = 3. (2.c)
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Toán Lớp 6: Tìm số tự nhiên c sao cho (3.2).5 = 3. (2.c)
Comments ( 2 )
( 3.2 ) .5 =3. ( 2.c )
6.5 = 3. ( 2. c)
30 = 3. ( 2. c )
30 : 3 = 2. c
10 = 2.c
10 : 2 = c
=> c = 5