计算.(怎样简便怎样算).
5.64﹣2.4÷0.48 12.8+10.8÷45 13.2÷8÷1.25
(70.8﹣67.55)÷0.25 1.63+4.19+2.37 2.16×5.6+4.4×2.16.
计算.(怎样简便怎样算).
5.64﹣2.4÷0.48 12.8+10.8÷45 13.2÷8÷1.25
(70.8﹣67.55)÷0.25 1.63+4.19+2.37 2.16×5.6+4.4×2.16.
试题篮
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