问题
解答题
在框里填上合适的数.
1.25×1.7×0.08=□×□×1.7
3.6×14.2+6.4×14.2=(□+□)×□
12.3×5-2.3×5=(□-□)×□
答案
(1)1.25×1.7×0.08=1.25×0.08×1.7;
(2)3.6×14.2+6.4×14.2=(3.6+6.4)×14.2;
(3)12.3×5-2.3×5=(12.3-2.3)×5.
在框里填上合适的数.
1.25×1.7×0.08=□×□×1.7
3.6×14.2+6.4×14.2=(□+□)×□
12.3×5-2.3×5=(□-□)×□
(1)1.25×1.7×0.08=1.25×0.08×1.7;
(2)3.6×14.2+6.4×14.2=(3.6+6.4)×14.2;
(3)12.3×5-2.3×5=(12.3-2.3)×5.