题目内容
43×99+43
0.3×(77.6-5.6)
56×(
-
)
×
÷
+
×
×〔
÷(
-
)〕
0.3×(77.6-5.6)
56×(
| 3 |
| 7 |
| 3 |
| 8 |
| 5 |
| 7 |
| 3 |
| 5 |
| 6 |
| 7 |
| 2 |
| 3 |
| 5 |
| 8 |
| 2 |
| 5 |
| 3 |
| 8 |
| 8 |
| 9 |
| 5 |
| 6 |
| 3 |
| 4 |
(1)43×99+43,
=(99+1)×43,
=100×43,
=4300;
(2)0.3×(77.6-5.6),
=0.3×72,
=21.6;
(3)56×(
-
)
=56×
-56×
,
=24-21,
=3;
(4)
×
÷
,
=
×
,
=
;
(5)
+
×
,
=
+
,
=
;
(6)
×[
÷(
-
)]
=
×[
×12],
=
×
×12,
=4.
=(99+1)×43,
=100×43,
=4300;
(2)0.3×(77.6-5.6),
=0.3×72,
=21.6;
(3)56×(
| 3 |
| 7 |
| 3 |
| 8 |
=56×
| 3 |
| 7 |
| 3 |
| 8 |
=24-21,
=3;
(4)
| 5 |
| 7 |
| 3 |
| 5 |
| 6 |
| 7 |
=
| 3 |
| 7 |
| 7 |
| 6 |
=
| 1 |
| 2 |
(5)
| 2 |
| 3 |
| 5 |
| 8 |
| 2 |
| 5 |
=
| 2 |
| 3 |
| 1 |
| 4 |
=
| 11 |
| 12 |
(6)
| 3 |
| 8 |
| 8 |
| 9 |
| 5 |
| 6 |
| 3 |
| 4 |
=
| 3 |
| 8 |
| 8 |
| 9 |
=
| 3 |
| 8 |
| 8 |
| 9 |
=4.
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