题文
脱式计算.
①2700×(506﹣499)÷900;
②33.02﹣(148.4﹣90.85)÷2.5;
③(1÷
+
÷1)÷5.1;
④(1.6×
+3.6÷
)×
.
脱式计算.
①2700×(506﹣499)÷900;
②33.02﹣(148.4﹣90.85)÷2.5;
③(1÷
+
÷1)÷5.1;
④(1.6×
+3.6÷
)×
.
试题篮
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