题目内容
计算下面各题.
408+540÷18×24
[2.8×(2.8-2.8)]÷2.8
[4-(
-
)]×
(
+
÷
)×
408+540÷18×24
[2.8×(2.8-2.8)]÷2.8
[4-(
(
解:408+540÷18×24
=408+30×24,
=408+720,
=1128;
[2.8×(2.8-2.8)]÷2.8
=[2.8×0]÷2.8,
=0÷2.8,
=0;
[4-(
-
)]×
=[4﹣
]×
,
=
×
,
=
;
(
+
÷
)×
=(
+
)×
,
=
×
,
=
=408+30×24,
=408+720,
=1128;
[2.8×(2.8-2.8)]÷2.8
=[2.8×0]÷2.8,
=0÷2.8,
=0;
[4-(
=[4﹣
=
=
(
=(
=
=
练习册系列答案
相关题目