问题 解答题
1994
1
2
×79+790×
6
25
+244.9
答案

1994

1
2
×79+790×
6
25
+
244.9,

=1994.5×79+790×0.24+244.9,

=199.45×790+790×0.24+790×0.31,

=199.45×790+790×0.24+790×0.31,

=790×(199.45+0.24+0.31),

=790×200,

=158000;

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