问题
解答题
计算下面各题:
|
答案
(0.125×8-0.5)×4
=(1-0.5)×4,
=0.5×4,
=2;
×0.25+5 6
×1 4 1 6
=(
+5 6
)×1 6
,1 4
=1×
,1 4
=
;1 4
÷[1÷(5 7
-2 3
)]1 5
=
÷[1÷5 7
],7 15
=
÷5 7
,7 15
=1
.26 49
计算下面各题:
|
(0.125×8-0.5)×4
=(1-0.5)×4,
=0.5×4,
=2;
×0.25+5 6
×1 4 1 6
=(
+5 6
)×1 6
,1 4
=1×
,1 4
=
;1 4
÷[1÷(5 7
-2 3
)]1 5
=
÷[1÷5 7
],7 15
=
÷5 7
,7 15
=1
.26 49