题文
简便计算下面各题.
44×0.25 (
+
)×15×17 85.57﹣(5.57﹣3.8)
99999×77778+33333×66666 27×
+136×
+180×
.
简便计算下面各题.
44×0.25 (
+
)×15×17 85.57﹣(5.57﹣3.8)
99999×77778+33333×66666 27×
+136×
+180×
.
试题篮
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