计算下面各题,怎样简便就怎样计算.①8.36-3.25+4.64-6.75②4.5÷[0.6×(5.2-3.
计算下面各题,怎样简便就怎样计算.①8.36-3.25+4.64-6.75②4.5÷[0.6×(5.2-3.7)]③54×(1÷34-35)④(14+59)×45+59....
计算下面各题,怎样简便就怎样计算.①8.36-3.25+4.64-6.75②4.5÷[0.6×(5.2-3.7)]③54×(1÷34-35)④(14+59)×45+59.
展开
展开全部
①8.36-3.25+4.64-6.75,
=(8.36+4.65)-(3.25+6.75),
=13-10,
=3;
②4.5÷[0.6×(5.2-3.7)],
=4.5÷[0.6×1.5],
=4.5÷0.9,
=5;
③
×(1÷
-
),
=
×(
-
),
=
×
?
×
,
=
?
,
=
-
,
=
;
④(
+
)×
+
,
=
×
+
×
+
,
=
+
×
+
,
=
+
+
,
=
+(
=(8.36+4.65)-(3.25+6.75),
=13-10,
=3;
②4.5÷[0.6×(5.2-3.7)],
=4.5÷[0.6×1.5],
=4.5÷0.9,
=5;
③
5 |
4 |
3 |
4 |
3 |
5 |
=
5 |
4 |
4 |
3 |
3 |
5 |
=
5 |
4 |
4 |
3 |
5 |
4 |
3 |
5 |
=
5 |
3 |
3 |
4 |
=
20 |
12 |
9 |
12 |
=
11 |
12 |
④(
1 |
4 |
5 |
9 |
4 |
5 |
5 |
9 |
=
1 |
4 |
4 |
5 |
5 |
9 |
4 |
5 |
5 |
9 |
=
1 |
5 |
5 |
9 |
4 |
5 |
5 |
9 |
=
1 |
5 |
4 |
9 |
5 |
9 |
=
1 |
5 |
4 |