-1-{(-3)²-[3+0.4×(-1又½)]÷(-2)}的得数等于多少- 1 - { ( - 3 )² - [ 3 + 0.4×(1½)]÷(-2)﹜
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-1-{(-3)²-[3+0.4×(-1又½)]÷(-2)}的得数等于多少- 1 - { ( - 3 )² - [ 3 + 0.4×(1½)]÷(-2)﹜
-1-{(-3)²-[3+0.4×(-1又½)]÷(-2)}的得数等于多少
- 1 - { ( - 3 )² - [ 3 + 0.4×(1½)]÷(-2)﹜
-1-{(-3)²-[3+0.4×(-1又½)]÷(-2)}的得数等于多少- 1 - { ( - 3 )² - [ 3 + 0.4×(1½)]÷(-2)﹜
-1-{(-3)²-[3+0.4×(-1又½)]÷(-2)}
=-1-[9-(3-0.6)÷(-2)]
=-1-(9+1.2)
=-1-10.2
=-11.2