题目内容
|
|
| ||||||||||||||||
| 7÷70% |
|
|
(1)
×28%×
=
×(
×
),
=
×
,
=
;
(2)
÷
÷
=
×
×2,
=
;
(3)
×
÷
=
×
,
=
;
(4)7÷70%=100;
(5)
×(
+28)
=
×
+
×28,
=
+10,
=10
;
(6)
×27+16×
=
×16+16×
,
=(
+
)×16,
=2×16,
=32.
| 5 |
| 12 |
| 3 |
| 14 |
=
| 5 |
| 12 |
| 14 |
| 50 |
| 3 |
| 14 |
=
| 5 |
| 12 |
| 3 |
| 50 |
=
| 1 |
| 40 |
(2)
| 7 |
| 9 |
| 1 |
| 2 |
| 35 |
| 36 |
=
| 7 |
| 9 |
| 36 |
| 35 |
=
| 8 |
| 5 |
(3)
| 3 |
| 5 |
| 8 |
| 9 |
| 5 |
| 8 |
=
| 8 |
| 15 |
| 8 |
| 5 |
=
| 64 |
| 75 |
(4)7÷70%=100;
(5)
| 5 |
| 14 |
| 14 |
| 25 |
=
| 5 |
| 14 |
| 14 |
| 25 |
| 5 |
| 14 |
=
| 1 |
| 5 |
=10
| 1 |
| 5 |
(6)
| 16 |
| 23 |
| 19 |
| 23 |
=
| 27 |
| 23 |
| 19 |
| 23 |
=(
| 27 |
| 23 |
| 19 |
| 23 |
=2×16,
=32.
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