1.2×7.6+2.3×1.2
=1.2×（7.6+2.3+0.1）一1.2×0.1
=1.2×10一0.12
=12一0.12
=11.88
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1.2×7.6+2.3×1.2
=1.2×（7.6+2.3+0.1）一1.2×0.1
=1.2×10一0.12
=12一0.12
=11.88
上一篇开学第一天好词好句好段
上一篇哪吒的哪怎么写
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