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问题: 3.84*3.8+4.6*3.84+8.4*6.16jian简便计算

解答:

3.84*3.8+4.6*3.84+8.4*6.16
=3.84*(3.8+4.6)+8.4*6.16
=3.84*8.4+8.4*6.16
=8.4*(3.84+6.16)
=8.4*10
=84.