-5/6 . 4/19 + 7/12 . -4/9 – 40/57
320% . 15/64 – ( 0,8 + 2/3 ) : 3 2/3. 3 2/3 là hỗn số
-5/6 . 4/19 + 7/12 . -4/9 – 40/57 320% . 15/64 – ( 0,8 + 2/3 ) : 3 2/3. 3 2/3 là hỗn số
By Sadie
By Sadie
-5/6 . 4/19 + 7/12 . -4/9 – 40/57
320% . 15/64 – ( 0,8 + 2/3 ) : 3 2/3. 3 2/3 là hỗn số
-5/6 . 4/19 + 7/12 . -4/9 – 40/57 = -10/57 + -7/27 – 40/57
= -583/513
320% . 15/64 – ( 0,8 + 2/3 ) : 3 2/3. 3 2/3 = 3/4 – 22/15 : 121/9
= 3/4 – 6/55
= 141/220
-5/6 . 4/19 + 7/12 . (-4/9) – 40/57
= -10/57 – 7/27 – 40/57
= -583/513
320% . 15/64 – (0,8 + 2/3) : 3$\frac{2}{3}$ . 3$\frac{2}{3}$
= 16/5 . 15/64 – 22/15 : 11/3 . 11/3
= 3/4 – 22/15
= -43/60