计算(能够简算就简算)3.84*0.84+0.616*8.4

问题描述:

计算(能够简算就简算)3.84*0.84+0.616*8.4

3.84*0.84+0.616*8.4
= 3.84*0.84+6.16*0.84
= (3.84+6.16)*0.84
= 10*0.84
= 8.4