如题所述
第1个回答 2019-09-19
5.34×99+5.34
=5.34×99 + 5.34×1
=5.34×(99+1)
5.34×100
=534
5.3×102
=5.3×(100+2)
=5.3×100 + 5.3×2
=530+10.6
=540.6本回答被网友采纳
=5.34×99 + 5.34×1
=5.34×(99+1)
5.34×100
=534
5.3×102
=5.3×(100+2)
=5.3×100 + 5.3×2
=530+10.6
=540.6本回答被网友采纳
第2个回答 2019-09-19
①=(5+0.3)x(100+2) =(5x100+0.3x100)+(5x2+0.3x2) 530+10.6 =540.6 ②=5.34x99+5.34x1 =5.34x100 =534
第3个回答 2019-09-19
5.3×102
=5.3×(100+2)
=530+10.6
=540.6
5.34×99+5.34
=5.34×(99+1)
=534
=5.3×(100+2)
=530+10.6
=540.6
5.34×99+5.34
=5.34×(99+1)
=534