1、-(4/3)×(-1 2/1)÷(-2 4/1)2、-9×(-11)÷3÷(-3)
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![1、-(4/3)×(-1 2/1)÷(-2 4/1)2、-9×(-11)÷3÷(-3)](/uploads/image/z/767208-48-8.jpg?t=1%E3%80%81-%EF%BC%884%2F3%EF%BC%89%C3%97%EF%BC%88-1+2%2F1%EF%BC%89%C3%B7%EF%BC%88-2+4%2F1%EF%BC%892%E3%80%81-9%C3%97%EF%BC%88-11%EF%BC%89%C3%B73%C3%B7%EF%BC%88-3%EF%BC%89)
1、-(4/3)×(-1 2/1)÷(-2 4/1)2、-9×(-11)÷3÷(-3)
1、-(4/3)×(-1 2/1)÷(-2 4/1)
2、-9×(-11)÷3÷(-3)
1、-(4/3)×(-1 2/1)÷(-2 4/1)2、-9×(-11)÷3÷(-3)
-(4/3)×(-1 2/1)÷(-2 4/1)=-2/3
-9×(-11)÷3÷(-3)99/3/-3=-11
-(4/3)×(-1 2/1)÷(-2 4/1)
=4/3×3/2÷(-2 4/1)
=2÷(-2 4/1)
=4.5