递等式计算.(1)16-3.25×0.6+3.05(2)18×0.5+2.5÷125%(3)15÷[(23+15)×113](4)225+3.6×〔(3112-158)÷3.5〕-数学
题文
递等式计算. (1)16-3.25×0.6+3.05 (2)
(3)
(4)2
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答案
(1)16-3.25×0.6+3.05 =16-1.95+3.05 =14.05+3.05 =17.1; (2)
=0.125×0.5+2.5÷1.25 =0.0625+2 =2.0625; (3)
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