+
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= 1﹣
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= 2﹣相关试题
+
）×24×15 3.7×
+5.3×0.75+
．
×0.25．0.34×12.5+0.125×66= 103×0.3= 4.34÷0.25÷4=
130130÷11111×66666= 40.5×1.1﹣4.05= 100﹣98+96﹣94…+4﹣2=
用简便方法计算
574+498 487﹣305 395﹣395 733+260+67
998+98+8 2596﹣68﹣432 786﹣299﹣98 237﹣196+63﹣4．
×79+790×66661
+137×1
．
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