> 数学 >
-(-3)²×(-1)-8×(-1/2)³×|-2-3|
-1的4次方-(1-0.5)×1/3×[2-(-3)²]
[﹙-1/6﹚-(-5/12)+2/12]×﹙-60)
人气:215 ℃ 时间:2020-04-23 17:31:30
解答
-(-3)²×(-1)-8×(-1/2)³×|-2-3|
=9+1×5
=14
-1的4次方-(1-0.5)×1/3×[2-(-3)²]
=1+1/2×1/3×7
=13/6
[﹙-1/6﹚-(-5/12)+2/12]×﹙-60)
=[-1/6+5/12+2/12]×﹙-60)
=5/12×﹙-60)
=-25
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