计算.能简算的要简算,并写出简算过程.
(1)(0.12+0.22+0.32+0.42)2÷(0.13+0.23+0.33+0.43)
(2)3.97÷7+×4.03﹣
(3)0.0021×[1+2.93÷(11﹣1.9)]÷0.001
(4)0.125×0.25×0.5×64
(5)4936×(0.75×42.7﹣0.573×25+57.3)÷3.
计算.能简算的要简算,并写出简算过程.
(1)(0.12+0.22+0.32+0.42)2÷(0.13+0.23+0.33+0.43)
(2)3.97÷7+×4.03﹣
(3)0.0021×[1+2.93÷(11﹣1.9)]÷0.001
(4)0.125×0.25×0.5×64
(5)4936×(0.75×42.7﹣0.573×25+57.3)÷3.
试题篮
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