X-7.6+3.04=10要有过程 7.85+2.34-0.55+4.66简算要有过程

问题描述:

X-7.6+3.04=10要有过程 7.85+2.34-0.55+4.66简算要有过程

X-7.6+3.04=10
X=10+7.6-3.04
X=14.56
7.85+2.34-0.55+4.66
=7.85-0.55+(2.34+4.66)
=7.3+7
=14.3

X-7.6+3.04=10
x=10-3.04+7.6
x=14.56
7.85+2.34-0.55+4.66
=7.85-0.55+2.34+4.66
=7.3+7
=14.3