(1)2-2÷1/3×3(2)-1³-﹙1+0.5﹚×1/3÷﹙-4﹚﹙3﹚-3-﹙-1-0.2÷3/5﹚×﹙

瞬间LoveYou2022-10-04 11:39:544条回答

(1)2-2÷1/3×3
(2)-1³-﹙1+0.5﹚×1/3÷﹙-4﹚
﹙3﹚-3-﹙-1-0.2÷3/5﹚×﹙-2﹚
﹙4﹚[-﹙1/2﹚²×2²]³-(-5)
﹙5﹚-3²+|(-5)³|×(-2/5)
(6)12+32÷(-2)的4次方-(-4)²×5
(7)25×3/4-(-25)×1/2+25×(-1/4)
﹙5﹚-3²+|(-5)³|×(-2/5)²

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youzimm 共回答了24个问题 | 采纳率87.5%
(1)2-2÷1/3×3
=2-2×3×3
=2-18
=-16
(2)-1³-﹙1+0.5﹚×1/3÷﹙-4﹚
=-1-1.5×1/3×1/(-4)
=-1+1/8
=-7/8
﹙3﹚-3-﹙-1-0.2÷3/5﹚×﹙-2﹚
=-3-(-1-1/3)×(-2)
=-3-8/3
=-17/3
﹙4﹚[-﹙1/2﹚²×2²]³-(-5)
=(-1/4×4)³+5
=-1+5
=4
﹙5﹚-3²+|(-5)³|×(-2/5)
=-9+125×(-2/5)
=-9-50
=-59
(6)12+32÷(-2)的4次方-(-4)²×5
=12+32÷16-16×5
=12+2-80
=-66
(7)25×3/4-(-25)×1/2+25×(-1/4)
=25×(3/4+1/2-1/4)
=25×1
=25
1年前
zzy16673637 共回答了14个问题 | 采纳率64.3%
孩子。。这都懒得算的话,你考试咋考?
1年前
捷森 共回答了18个问题 | 采纳率88.9%
遣根股
1年前
藤葛飘飘 共回答了75个问题 | 采纳率
1)2-2÷1/3×3
=2-2×3×3
=2-18
=-16
(2)-1³-﹙1+0.5﹚×1/3÷﹙-4﹚
=-1-1.5×1/3×1/(-4)
=-1+1/8
=-7/8
-3-﹙-1-0.2÷3/5﹚×﹙-2﹚
=-3-(-1-1/3)×(-2)
=-3-8/3
=-17/3
[-﹙1...
1年前

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