问题
解答题
用简便方法计算.
26.4×3.6-3.6×16.4
0.25×13×4
0.125×32.
答案
(1)26.4×3.6-3.6×16.4
=(26.4-16.4)×3.6,
=10×3.6,
=36;
(2)0.25×13×4
=0.25×4×13,
=1×13,
=13;
(3)0.125×32
=0.125×8×4,
=1×4,
=4.
用简便方法计算.
26.4×3.6-3.6×16.4
0.25×13×4
0.125×32.
(1)26.4×3.6-3.6×16.4
=(26.4-16.4)×3.6,
=10×3.6,
=36;
(2)0.25×13×4
=0.25×4×13,
=1×13,
=13;
(3)0.125×32
=0.125×8×4,
=1×4,
=4.