题目内容
【题目】认真看题,细心计算.(能简算的要简算)
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【答案】
;
;3;1
;12.5;7 ![]()
【解析】解:
÷8+
×
=
×
+
×
=(
+
)×
=1×
=
;
×
+
×
=
×
+
×
=(
+
)×
=1×
=
;
÷[(
+
)×
]
=
÷[
×
]
=
÷
=3;
+
×
÷
=
+
÷
=
+1
=1
;
×26+75÷8﹣12.5%
=
×26+75×
﹣
=(26+75﹣1)×
=100×
=12.5;
×33
=
×(32+1)
=
×32+
=7+
=7
.
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【题目】在下面的方格中,每行每列都有1、3、5、7这四个数,并且每个数在每行、每列都只出现一次。填出空格中的数。
1 | 3 | (______) | (______) |
(______) | (______) | 7 | 5 |
(______) | 7 | 1 | (______) |
(______) | (______) | (______) | (______) |