-1的4次方-(1-0.5)乘以(2⼀3)的二次方除以(-2-(-3)的二次方)=?

2024-12-25 11:04:50
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回答1:

-1的4次方-(1-0.5)乘以(2/3)的二次方除以(-2-(-3)的二次方)
=-1-1/2×4/9÷(-2-9)
=-1-2/9÷(-11)
=-1+2/99
=-97/99