试题 试卷
题型:解方程 题类: 难易度:普通
2021年西大附中小升初数学(六)
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
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