4.68+0.71+0.7+2.72+0.67+0.69用简便方法算_数学解答

4.68+0.71+0.7+2.72+0.67+0.69用简便方法算

人气：487 ℃　时间：2020-02-05 10:26:18

解答

4.68+0.71+0.7+2.72+0.67+0.69
=（4.68+2.72）+0.67+（0.71+0.7+0.69)
=7.4+0.67+0.7*3
=8.07+2.1
=10.17