题目内容
18×14÷78
(45+310)÷310
56÷(12+56)
34÷1516÷56.
(45+310)÷310
56÷(12+56)
34÷1516÷56.
(1)18×14÷78,
=252÷78,
=
;
(2)(45+310)÷310,
=45÷310+310÷310,
=
+1,
=1
;
(3)56÷(12+56),
=56÷68,
=
;
(4)34÷1516÷56,
=
×
,
=
.
=252÷78,
=
| 42 |
| 13 |
(2)(45+310)÷310,
=45÷310+310÷310,
=
| 9 |
| 62 |
=1
| 9 |
| 62 |
(3)56÷(12+56),
=56÷68,
=
| 14 |
| 17 |
(4)34÷1516÷56,
=
| 17 |
| 758 |
| 1 |
| 56 |
=
| 17 |
| 42448 |
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