试题 试卷
题型:单选题 题类:常考题 难易度:普通
不要解析 整数、小数四则混合运算6240
[1.9+1.9×(1.9-1.9)]÷1.9=( )
1.73×3.7+1.73×6.3+1.73
=1.73×(3.7+6.3)
=1.73×10
=17.3
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