如题所述
第1个回答 2022-09-16
3.03×2.4
=（3+0.03）×（2.5-0.1）
=7.5-0.3+0.075-0.003
=7.272
=（3+0.03）×（2.5-0.1）
=7.5-0.3+0.075-0.003
=7.272
第2个回答 2022-09-15
3.03×2.4
=3×2.4+0.03×2.4=7.2+0.072=7.272
=3×2.4+0.03×2.4=7.2+0.072=7.272
