如题所述
2.4×102
=2.4×(100+2)
=2.4×100+2.4×2
=240+4.8
=244.8
=2.4×(100+2)
=2.4×100+2.4×2
=240+4.8
=244.8
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第1个回答 2018-04-04
2.4×102怎么简便计算
=2.4x(100+2)
=2.4x100+2.4x2
=240+4.8
=244.8
=2.4x(100+2)
=2.4x100+2.4x2
=240+4.8
=244.8
