题文
下面各题,怎样算简便就怎样算.
1080+270÷18﹣864 7.54+
+2.46+
(2.4﹣
)÷0.625+
2.5×12.5×40×0.8 6﹣
÷
﹣
.
下面各题,怎样算简便就怎样算.
1080+270÷18﹣864 7.54+
+2.46+
(2.4﹣
)÷0.625+
2.5×12.5×40×0.8 6﹣
÷
﹣
.
试题篮
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