2.84×7.9+2.84×2+28.4×0.01的简便计算?
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2.84×7.9+2.84×2+28.4×0.01
=2.84×7.9+2.84×2+2.84×0.1
=2.84×(7.9+2+0.1)
=2.84×10
=28.4
=2.84×7.9+2.84×2+2.84×0.1
=2.84×(7.9+2+0.1)
=2.84×10
=28.4
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2.84×7.9+2.84×2+28.4×0.01
=2.84×7.9+2.84×2+2.84×0.1
=2.84×(7.9+2+0.1)
=2.84×10
=28.4
=2.84×7.9+2.84×2+2.84×0.1
=2.84×(7.9+2+0.1)
=2.84×10
=28.4
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展开全部
2.84×7.9+2.84×2+28.4×0.01
=2.84×7.9+2.84×2+2.84×0.1
=2.84×(7.9+2+0.1)
=2.84×10
=28.4
=2.84×7.9+2.84×2+2.84×0.1
=2.84×(7.9+2+0.1)
=2.84×10
=28.4
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2.84x7.9+2.84x2+28.4x0.01
=2.84x7.9+2.84x2+2.84x0.1
=2.84x(7.9十2十0.1)
=2.84x10
=28.4
=2.84x7.9+2.84x2+2.84x0.1
=2.84x(7.9十2十0.1)
=2.84x10
=28.4
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展开全部
2.84×7.9+2.84×2+28.4×0.01
=2.84×7.9+2.84×2+2.84×0.1
=2.84×(7.9+2+0.1)
=2.84×10
=28.4
=2.84×7.9+2.84×2+2.84×0.1
=2.84×(7.9+2+0.1)
=2.84×10
=28.4
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已踩过<
评论
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你对这个回答的评价是?
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