题目内容

888
8
9
×1.125
45×0.25+36÷4+
1
4
×19
(1)888
8
9
×1.125,
=(888+
8
9
)×1.125,
=888×1.125+
8
9
×1.125,
=999+1,
=1000;

(2)45×0.25+36÷4+
1
4
×19,
=45×
1
4
+36×
1
4
+
1
4
×19,
=(45+36+19)×
1
4

=120×
1
4

=30.
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