Question

7.12-5.4+2.88+1.6的简便计算怎么算？

怎么简便计算？

Answer 1

7.12-5.4+2.88+1.6
=（7.12+2.88）-5.4+1.6
=10-5.4+1.6
=4.6+1.6
=6.2

Answer 2

7.12－5.4＋2.88＋1.6
＝7.12＋2.88-5.4＋1.6
＝10-3.8＝6.2

Answer 3

7.12-5.4+2.88+1.6
=7.12+2.88-5.4+1.6
=10-5.4+1.6
=4.6+1.6
=6.2

Answer 4

7.12-5.4+2.88+1.6
=7.12+2.88+1.6-5.4
=11.6-5.4
=6.2

Answer 5

=7.12+2.88-5.4+1.6
=10-5.4+1.6
=4.6+1.6
=6.2