(1)x﹣= ,(2) x× ×= ,(3) ﹣4x= ,(4) 8×﹣(5) 0.78:x=3:5,(6)1﹣20%x=0.4,(8) 1÷(x﹣ )=6,(9)2x﹣ x=1.2,(10)9×3﹣1.7x=13.4,(11)x﹣25%x=24,(12) x﹣ +0.2= ,(13)0.6x+90%x=78,(14)20%x﹣×3=0.8,(15) x﹣ x=42,(16)0.6x+3×2.5=67.5,(17)1 ÷(x﹣0.45)=5 ,(18)x﹣2.25=8.25,(19) :x=3:12,(20) x+0.8=5.6,(21) 1.4:x=1:0.75, (22) x×(2﹣ )=24,(23) 4x﹣ =3 ,(24)12x+7×0.3=20.1,(25) x+ x= ,(26)x:42=,(27)×0.5+ x=,(28)0.8:=0.48:x,(29)χ﹣ χ= ,(30)42: =χ:(31)5x﹣0.4=75%,( 32) 6x﹣0.9=4.5,(33)2(x﹣3)=5.8,(34) 1.6x=6.4,(35) 4x﹣3×9=29,(36)16+8x=40,(37) x÷1.1=3,(38) +2x= ,(39)×3﹣7x=1.04,(40) x﹣1﹣ x=2,(41)x﹣ x=14,(42)3x﹣ x=,(43)=,(44)1.2: = ,(45)=:,(46): =x:0.8,(47)x= +1,(48)1﹣25%X+25%x= +25%x,(49)=,(50)×X=,(51) 5:8=x:32,(52)2x+3×0.9=24.9,(53﹣2.9x= ,(54) ×(7﹣2.8x)=1.5,(55)x:0.3= : ,(56)150%x+66=99(57)x+6﹣0.8x=16精品文档---下载后可任意编辑(58)(59)(60)3÷(X﹣(61)(X+0.5):2 =(X﹣4): ,(62) X÷0.05=3.528,(63)2X﹣4×6=80,(64)4×﹣3X=6.38,(65)4X﹣7.2=10,(66)11.5X+X=20,(67)×12+15X=87.6,(68)6X+5=17,(69×(2.5+X)=4.2,(70) : =X:,(71),(72)(73),(74)4( +x)=,(75) ×0.25+ x= ,(76)x﹣,(77)200:6=x:,(78)4÷X= ,(79)8(x﹣2)=2(x+7),(80):18%=,(81)﹣2x= ,(82)x+ x=46,(83) :x= : ,(84)=,(85)5(3x﹣4)﹣2(x﹣1)=5(2x﹣1)(86)= ,(87)8(2X﹣7)=5(X+13),(88)3(x+4.5)=60,(89)1.6x+2.4=7.52,(90)3(x﹣0.8)=6.3,(91﹣5x=5.8,(92)x: =(93) +2x= ,(94)x=15%,(95) x﹣ x=,(96)x+50%x=6,(97) :x=0.3:12,(98)4x+2(8﹣x)=26,(99) x﹣ =0,(100) + x=1,(101)x×( + )=,(102),(103),(104)x﹣,(105)x×,(106)5x+35=650,(107)720÷3x=80,(108﹣0.9x=8.1,(109)4×﹣3x=6,(110)=,(111)6×3﹣1.8X=7.2,(112...