问题 解答题
神机妙算细又巧!(有简算要简算)
88×125
1
15
+
2
17
)×15×17
64×3.75+3.75×3636÷[(
5
6
-
1
3
)]×3.
答案

(1)88×125

=11×(8×125),

=11×1000,

=11000;

(2)(

1
15
+
2
17
)×15×17

=

1
15
×15×17+
2
17
×17×15,

=17+30,

=47;

(3)64×3.75+3.75×36

=(64+36)×3.75,

=100×3.75,

=375;

(4)36÷(

5
6
-
1
3
)×3

=36÷

1
2
×3,

=54.

单项选择题
单项选择题