1,11,12,13怎么算24点
3个回答
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﹙13-11﹚×12÷1
=2x12÷1
=24÷1
=24;
(13-11)x12x1
=2x12x1
=24x1
=24;
﹙1×13-11)×12
=(13-11)x12
=2x12
=24;
(13÷1-11)x12
=(13-11)x12
=2x12
=24;
12×[1×﹙13-11﹚]
=12x(1x2)
=12x2
=24;
(13-1x11)x12
=(13-11)x12
=2x12
=24;
(13-11÷1)x12
=(13-11)x12
=2x12
=24;
……
=2x12÷1
=24÷1
=24;
(13-11)x12x1
=2x12x1
=24x1
=24;
﹙1×13-11)×12
=(13-11)x12
=2x12
=24;
(13÷1-11)x12
=(13-11)x12
=2x12
=24;
12×[1×﹙13-11﹚]
=12x(1x2)
=12x2
=24;
(13-1x11)x12
=(13-11)x12
=2x12
=24;
(13-11÷1)x12
=(13-11)x12
=2x12
=24;
……
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可以12*(13-11)*1=24、12*(13-11)➗1
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(13-11)*1*12=24
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