问题 解答题
怎样计算简便就怎样算:
5.2×
1
4
+25%+1.8×0.25
101×6.7
1
3
-
1
4
)÷
1
12
答案

(1)5.2×

1
4
+25%+1.8×0.25,

=5.2×0.25+0.25+1.8×0.25,

=(5.2+1+1.8)×0.25,

=8×0.25,

=2;

(2)101×6.7,

=(100+1)×6.7,

=100×6.7+6.7,

=670+6.7,

=676.7;

(3)(

1
3
-
1
4
÷
1
12

=

1
3
×12-
1
4
×
12,

=4-3,

=1.

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