题目内容
在横线上填上合适的数.
(1)
=()÷()=
=
(2)1
=
=()÷()=1
=
(3)
=
=
=
=
.
(1)
| 4 |
| 5 |
| 8 |
| () |
| () |
| 25 |
(2)1
| 1 |
| 3 |
| () |
| () |
| () |
| 6 |
| () |
| 9 |
(3)
| 7 |
| 8 |
| 7×2 |
| 8×() |
| 7×() |
| 8×3 |
| 7+14 |
| 8+() |
| 7÷() |
| 8÷2 |
(1)
=4÷5=
=
,
=
=
;
(2)1
=
=4÷3=1
=1
,
1
=
=
=
;
(3)
=
=
=
=
;
故答案为:4,5,10;4,3,4,3,2,12;2,3,16,2.
| 4 |
| 5 |
| 4×2 |
| 5×2 |
| 8 |
| 10 |
| 4 |
| 5 |
| 4×5 |
| 5×5 |
| 20 |
| 25 |
(2)1
| 1 |
| 3 |
| 4 |
| 3 |
| 1×2 |
| 3×2 |
| 2 |
| 6 |
1
| 1 |
| 3 |
| 4 |
| 3 |
| 4×3 |
| 3×3 |
| 12 |
| 9 |
(3)
| 7 |
| 8 |
| 7×2 |
| 8×2 |
| 7×3 |
| 8×3 |
| 7+14 |
| 8+16 |
| 7÷2 |
| 8÷2 |
故答案为:4,5,10;4,3,4,3,2,12;2,3,16,2.
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