试题 试卷
题型：单选题 题类：常考题 难易度：困难
不要解析 整数、小数四则混合运算6238
①7x+5.3=7.4
②7（6.5+x）=87.5
③x÷0.756=90
④（27.5-3.5）÷x=4
⑤5x+12.5=32.3
⑥0.3×7+4x=12.5
⑦x÷1.5-1.25=0.75
⑧4x-1.3×6=2.6
⑨0.5×16-16×0.1=4x
⑩7.3x+1.8x=4.3x+2.8x+12.8
⑪ 0.1x+0.2x+0.3x+…+0.9x+x=55
试题篮
