evaluate: 3^2-2*4/-30+2*4^2?
回答 (3)
2008-07-04 6:01 pm
✔ 最佳答案
(3^2-2*4)/(-30+2*4^2)=(9-8)/(-30+2*16)
=(1)/(-30+32)
=(1)/(2)
=0.5
2008-07-04 6:03 pm
(9-8)/(-30+32)
=1/2
=1/2
2008-07-04 5:56 pm
(3^2 - 2 x 4)/(-30 + 2 x 4^2)
= (9 - 8)/(-30 + 32)
= 1/2 (0.5)
= (9 - 8)/(-30 + 32)
= 1/2 (0.5)
收錄日期: 2021-05-01 10:47:50
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