问题
解答题
能简算的要简算.
|
答案
(1)0.125×2.5×320, =0.125×2.5×4×80, =(0.125×80)×(2.5×4), |
=100;
(2)
×5 9
+5 6
÷4 9
.6 5
=(
+5 9
)×4 9
,5 6
=1×
,5 6
=
;5 6
能简算的要简算.
|
(1)0.125×2.5×320, =0.125×2.5×4×80, =(0.125×80)×(2.5×4), |
=100;
(2)
×5 9
+5 6
÷4 9
.6 5
=(
+5 9
)×4 9
,5 6
=1×
,5 6
=
;5 6