Question

12.5x0.64怎样简算？ ！

Answer 1

12.5*8*0.8=100*0.8=80 ___竭诚为您解答， 麻烦亲不吝赐一个好评，感激不尽！ ___竭诚为您解答， 麻烦亲不吝赐一个好评，感激不尽！ ___竭诚为您解答， 麻烦亲不吝赐一个好评，感激不尽！

Answer 2

=（12+0.5）×（0.6+0.04）=7.2+0.48+0.3+0.02
=（7.2+0.3）+（0.48+0.02）
=8

Answer 3

5x2.5x0.8x0.4x2, 5和0.8相乘，2.5和0.4相乘，就简单了

Answer 4

12*0.6+0.5*0.04

Answer 5

12.5x0.64
=125×64÷1000
=125×8×8÷1000
=1000×8÷1000
=8