试题 试卷
题型:单选题 题类:常考题 难易度:普通
(解析完整) 整数、小数四则混合运算6249
3.6×0.25
99×1.83+1.83
12.5×0.78×0.8
3.67÷0.25÷40.
3×0.4= 5÷0.1= 1-0.44= 9÷0.3=
1÷0.01= 1.25×0.08= 6x-x= x-0.7x=
a-0.4a= 3a×a= 6a2-4a2= 10x-x+1.8x=
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