〔0.5+(2-0.75)〕×1.6 | 10.73-4.76-5.24 |
17.4×2.43-1.43×7.4 | 2.2+(4.72-2.8)÷0.4. |
人气:481 ℃ 时间:2019-10-30 01:14:18
解答
(1)[0.5+(2-0.75)]×1.6,=[0.5+1.25]×1.6,=1.75×1.6,=2.8;(2)10.73-4.76-5.24,=10.73-(4.76+5.24),=10.73-10,=0.73;(3)17.4×2.43-1.43×7.4,=42.282-10.582,=31.7;(4)2.2+(4.72-2.8)÷0...
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