44kk44
Muchas gracias
www.tge270cn
7.?1/2+1/4×4/5-1/8
8.?3/4×5/7×4/3-1/2
9.?23-8/9×1/27÷1/27
10 ?8×5/6+2/5÷4
11, ?1/2+3/4×5/12×4/5
12, ?8/9×3/. 4 -3/8÷3/4
13、?5/8÷5/4+3/23÷9/11
Muchas gracias
www.tge270cn
7.?1/2+1/4×4/5-1/8
8.?3/4×5/7×4/3-1/2
9.?23-8/9×1/27÷1/27
10 ?8×5/6+2/5÷4
11, ?1/2+3/4×5/12×4/5
12, ?8/9×3/. 4 -3/8÷3/4
13、?5/8÷5/4+3/23÷9/11