问题
解答题
|
答案
(1)88×125
=11×(8×125),
=11×1000,
=11000;
(2)(
+1 15
)×15×172 17
=
×15×17+1 15
×17×15,2 17
=17+30,
=47;
(3)64×3.75+3.75×36
=(64+36)×3.75,
=100×3.75,
=375;
(4)36÷(
-5 6
)×31 3
=36÷
×3,1 2
=54.