题目内容
计算下面各题,能简算的必须简算
14.8-6.46-3.54
÷6×
(
+
-
)×72
÷
+
×
1.25×6.9×8
13÷(
+
)×
.
14.8-6.46-3.54
| 3 |
| 5 |
| 10 |
| 7 |
(
| 7 |
| 9 |
| 5 |
| 6 |
| 1 |
| 4 |
| 18 |
| 23 |
| 8 |
| 5 |
| 18 |
| 23 |
| 3 |
| 8 |
1.25×6.9×8
13÷(
| 1 |
| 4 |
| 5 |
| 6 |
| 3 |
| 4 |
(1)14.8-6.46-3.54
=14.8-(6.46+3.54)
=14.8-10
=4.8;
(2)
÷6×
=
×
=
;
(3)(
+
-
)×72
=
×72+
×72-
×72
=56+60-18
=116-18
=98;
(4)
÷
+
×
=
×
+
×
=
×(
+
)
=
×1
=
;
(5)1.25×6.9×8
=1.25×8×6.9
=10×6.9
=69;
(6)13÷(
+
)×
=13÷
×
=12×
=9.
=14.8-(6.46+3.54)
=14.8-10
=4.8;
(2)
| 3 |
| 5 |
| 10 |
| 7 |
=
| 1 |
| 10 |
| 10 |
| 7 |
=
| 1 |
| 7 |
(3)(
| 7 |
| 9 |
| 5 |
| 6 |
| 1 |
| 4 |
=
| 7 |
| 9 |
| 5 |
| 6 |
| 1 |
| 4 |
=56+60-18
=116-18
=98;
(4)
| 18 |
| 23 |
| 8 |
| 5 |
| 18 |
| 23 |
| 3 |
| 8 |
=
| 18 |
| 23 |
| 5 |
| 8 |
| 18 |
| 23 |
| 3 |
| 8 |
=
| 18 |
| 23 |
| 5 |
| 8 |
| 3 |
| 8 |
=
| 18 |
| 23 |
=
| 18 |
| 23 |
(5)1.25×6.9×8
=1.25×8×6.9
=10×6.9
=69;
(6)13÷(
| 1 |
| 4 |
| 5 |
| 6 |
| 3 |
| 4 |
=13÷
| 13 |
| 12 |
| 3 |
| 4 |
=12×
| 3 |
| 4 |
=9.
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