
脱式计算(能简算的要简算):825÷[1110?(25+110)]58÷23+38×320.125×32×25.
脱式计算(能简算的要简算):825÷[1110?(25+110)]58÷23+38×320.125×32×25....
脱式计算(能简算的要简算):825÷[1110?(25+110)]58÷23+38×320.125×32×25.
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(1)
÷[
-(
+
)],
=
÷[
-
-
],
=
÷[1-
],
=
÷
,
=
×
,
=
;
(2)
÷
+
×
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(3)0.125×32×25,
=0.125×8×4×25,
=(0.125×8)×(4×25),
=1×100,
=100.
8 |
25 |
11 |
10 |
2 |
5 |
1 |
10 |
=
8 |
25 |
11 |
10 |
1 |
10 |
2 |
5 |
=
8 |
25 |
2 |
5 |
=
8 |
25 |
3 |
5 |
=
8 |
25 |
5 |
3 |
=
8 |
15 |
(2)
5 |
8 |
2 |
3 |
3 |
8 |
3 |
2 |
=
5 |
8 |
3 |
2 |
3 |
8 |
3 |
2 |
=(
5 |
8 |
3 |
8 |
3 |
2 |
=1×
3 |
2 |
=
3 |
2 |
(3)0.125×32×25,
=0.125×8×4×25,
=(0.125×8)×(4×25),
=1×100,
=100.
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