52.8乘5减3.4343在除0.5=多少啊

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52.8乘5减3.4343在除0.5=多少啊

52.8乘5减3.4343在除0.5=多少啊
52.8乘5减3.4343在除0.5=多少啊

52.8乘5减3.4343在除0.5=多少啊
521.1314

=264-3.4343)/0.5
=60.5657/0.5
=21.1314

521.1314

534.8686