3.72×9.9+0.372
=3.72×9.9+3.72×0.1
=3.72×(9.9+0.1)
=3.72×10=37.2
3.72×9.9+0.372
=0.372×99+0.372
=0.372×(99+1)
=0.372×100=37.2
3.72×9.9+0.372
=37.2×0.99+37.2×0.01
=37.2×(0.99+0.01)
=37.2×1=37.2
3.72×9.9+0.372
=3.72×9.9+3.72×0.1
=3.72×(9.9+0.1)
=3.72×10=37.2
3.72×9.9+0.372
=0.372×99+0.372
=0.372×(99+1)
=0.372×100=37.2
3.72×9.9+0.372
=37.2×0.99+37.2×0.01
=37.2×(0.99+0.01)
=37.2×1=37.2