计算：-54*2又1/4初一（-4又1/2）*2/9

Question

计算：-54*2又1/4初一（-4又1/2）*2/9

Answer 1

-54×2又1/4÷（-4又1/2）×2/9
= (-54) ×(9/4) ÷(-9/2)×(2/9)
= (-54)×(9/4)×(-2/9)×(2/9)
= 54×9/4×2/9×2/9
= 54×(9/4×2/9×2/9)
= 54×1/9
= 6