2.4x1.02怎样简便运算

2025-04-04 07:46:42
推荐回答(3个)
回答1:

2.4*1.02
=2.4*(1+0.02)
=2.4+0.048
=2.448

回答2:

用2.4×(1+0.02)即可

回答3:

2.4x1.02
=(2+0.4)*(1+0.02)
=2+0.04+0.4+0.08
=2.448