a)MSC:24
7/3=56/24
1/6=4/24
-9/4=-54/24
=56/24+4/24+-54/24=6/24
b,MSC:63
-4/7=-36/63
8/9=56/63
-10/21=-30/63
=-36/63+56/63+-30/63=-10/63
c,MSC:30
-1/6=-5/30
1/5=6/30
-1/2=-15/30
=-5/30+6/30+-15/30=-7/15
XONG R SAI CÂU NÀO THÌ MK SR BN NH^^
Môn học
Chủ đề / Chương
Bài học
a)MSC:24
7/3=56/24
1/6=4/24
-9/4=-54/24
=56/24+4/24+-54/24=6/24
b,MSC:63
-4/7=-36/63
8/9=56/63
-10/21=-30/63
=-36/63+56/63+-30/63=-10/63
c,MSC:30
-1/6=-5/30
1/5=6/30
-1/2=-15/30
=-5/30+6/30+-15/30=-7/15
XONG R SAI CÂU NÀO THÌ MK SR BN NH^^