(简便计算)1994.5*79+0.24*790+244.9=

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(简便计算)1994.5*79+0.24*790+244.9=
(简便计算)1994.5*79+0.24*790+244.9=

(简便计算)1994.5*79+0.24*790+244.9=
1994.5*79+0.24*790+244.9
=1994.5*79+2.4*79+3.1*79
=(1994.5+2.4+3.1)*79
=2000*79
=158000