22.2×5.4+44.4×2.3的简便方法?
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22.2×5.4+44.4×2.3
=22.2×5.4+22.2×2×2.3
=22.2×(5.4+2×2.3)
=22.2×10
=222
=22.2×5.4+22.2×2×2.3
=22.2×(5.4+2×2.3)
=22.2×10
=222
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22.2×5.4+44.4×2.3的简便方法提取相同项
=22.2×5.4+22.2×2×2.3
=22.2×(5.4+2×2.3)
=22.2×(5.4+4.6)
=22.2×10
=222
=22.2×5.4+22.2×2×2.3
=22.2×(5.4+2×2.3)
=22.2×(5.4+4.6)
=22.2×10
=222
追答
22.2×5.4+44.4×2.3的简便方法提取相同项
=22.2×5.4+22.2×2×2.3
=22.2×(5.4+2×2.3)
=22.2×(5.4+4.6)
=22.2×10=222
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2021-09-23 · 知道合伙人教育行家
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计算
22.2*5.4+44.4*2.3
=22.2*(5.4+2*2.3)
=22.2*(5.4+4.6)
=22.2*10
=222
22.2*5.4+44.4*2.3
=22.2*(5.4+2*2.3)
=22.2*(5.4+4.6)
=22.2*10
=222
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22.2x5.4+44.4x2.3=22.2x(5.4+2x2.3)=22.2x(5.4+4.6)=22.2x10=222
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