下面各题怎样算简便就怎样算.4.3+0.98+0.7 &nb...

2025-06-28 16:55:09
推荐回答(1个)
回答1:

(1)4.3+0.98+0.7
=4.3+0.7+0.98
=5+0.98
=5.98;

(2)5.27-3.9-0.1
=5.27-(3.9+0.1)
=5.27-4
=1.27;

(3)9.44-(5.44+2.8)
=9.44-5.44-2.8
=4-2.8
=1.2;

(4)1.29+3.7+2.71+6.3
=(1.29+2.71)+(3.7+6.3)
=4+10
=14.