题目内容
脱式计算,能简算的要简算.
(1)0.6+6×32×0.25
(2)(
+
)÷
-
(3)36×(
+
-
)
(4)
×[
-(
+
)].
(1)0.6+6×32×0.25
(2)(
| 4 |
| 5 |
| 1 |
| 4 |
| 7 |
| 3 |
| 1 |
| 4 |
(3)36×(
| 7 |
| 9 |
| 1 |
| 4 |
| 5 |
| 6 |
(4)
| 8 |
| 9 |
| 7 |
| 8 |
| 7 |
| 16 |
| 1 |
| 8 |
(1)0.6+6×32×0.25,
=0.6+(6×8)×(4×0.25),
=0.6+48×1,
=0.6+48,
=48.6;
(2)(
+
)÷
-
,
=
×
-
,
=
-
,
=
;
(3)36×(
+
-
),
=36×
+36×
-36×
,
=28+9-30,
=7;
(4)
×[
-(
+
)],
=
×[
-
+
],
=
×[
+
-
],
=
×[1-
],
=
×
,
=
.
=0.6+(6×8)×(4×0.25),
=0.6+48×1,
=0.6+48,
=48.6;
(2)(
| 4 |
| 5 |
| 1 |
| 4 |
| 7 |
| 3 |
| 1 |
| 4 |
=
| 21 |
| 20 |
| 3 |
| 7 |
| 1 |
| 4 |
=
| 9 |
| 20 |
| 1 |
| 4 |
=
| 1 |
| 5 |
(3)36×(
| 7 |
| 9 |
| 1 |
| 4 |
| 5 |
| 6 |
=36×
| 7 |
| 9 |
| 1 |
| 4 |
| 5 |
| 6 |
=28+9-30,
=7;
(4)
| 8 |
| 9 |
| 7 |
| 8 |
| 7 |
| 16 |
| 1 |
| 8 |
=
| 8 |
| 9 |
| 7 |
| 8 |
| 7 |
| 16 |
| 1 |
| 8 |
=
| 8 |
| 9 |
| 7 |
| 8 |
| 1 |
| 8 |
| 7 |
| 16 |
=
| 8 |
| 9 |
| 7 |
| 16 |
=
| 8 |
| 9 |
| 9 |
| 16 |
=
| 1 |
| 2 |
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