题目内容
4
×25+15
×25)÷(4
-3
)
(1
-0.28)×
+1÷(0.75+
)
6
-6.3×(6
÷6.4)÷1
11
÷(7.35-5
)+82.5×
.
| 5 |
| 9 |
| 4 |
| 9 |
| 1 |
| 10 |
| 9 |
| 16 |
(1
| 2 |
| 25 |
| 5 |
| 13 |
| 1 |
| 3 |
6
| 1 |
| 4 |
| 2 |
| 5 |
| 4 |
| 5 |
11
| 1 |
| 9 |
| 1 |
| 12 |
| 3 |
| 5 |
①(4
×25+15
×25)÷(4
-3
),
=25×(4
+15
)÷(1
-
),
=25×20÷(
-
),
=500÷
,
=500×
,
=930
;
②(1
-0.28)×
+1÷(0.75+
),
=(
-
)×
+1÷(
+
),
=
×
+
,
=
+
,
=
,
=1
;
③6
-6.3×(6
÷6.4)÷1
,
=6
-6.3×1×
,
=6.25-3.5,
=2.75;
④11
÷(7.35-5
)+82.5×
,
=
÷(7
-5
)+49.5,
=
÷
+49.5,
=
×
+
,
=
+
,
=
+
,
=
,
=54
;
| 5 |
| 9 |
| 4 |
| 9 |
| 1 |
| 10 |
| 9 |
| 16 |
=25×(4
| 5 |
| 9 |
| 4 |
| 9 |
| 1 |
| 10 |
| 9 |
| 16 |
=25×20÷(
| 88 |
| 80 |
| 45 |
| 80 |
=500÷
| 43 |
| 80 |
=500×
| 80 |
| 43 |
=930
| 10 |
| 43 |
②(1
| 2 |
| 25 |
| 5 |
| 13 |
| 1 |
| 3 |
=(
| 27 |
| 25 |
| 7 |
| 25 |
| 5 |
| 13 |
| 9 |
| 12 |
| 4 |
| 12 |
=
| 20 |
| 25 |
| 5 |
| 13 |
| 12 |
| 13 |
=
| 4 |
| 13 |
| 12 |
| 13 |
=
| 16 |
| 13 |
=1
| 3 |
| 13 |
③6
| 1 |
| 4 |
| 2 |
| 5 |
| 4 |
| 5 |
=6
| 1 |
| 4 |
| 5 |
| 9 |
=6.25-3.5,
=2.75;
④11
| 1 |
| 9 |
| 1 |
| 12 |
| 3 |
| 5 |
=
| 100 |
| 9 |
| 21 |
| 60 |
| 5 |
| 60 |
=
| 100 |
| 9 |
| 136 |
| 60 |
=
| 100 |
| 9 |
| 15 |
| 34 |
| 99 |
| 2 |
=
| 250 |
| 51 |
| 99 |
| 2 |
=
| 500 |
| 102 |
| 5049 |
| 102 |
=
| 5549 |
| 102 |
=54
| 41 |
| 102 |
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