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人教版六年级解方程及解比例练习题人教版六年级解方程及解比例练习题解比例解比例:x:10=:0.4:x=1.2:211123=431112:5=4:x 0.8:4=x:81.25:0.25=x:1.6x:2=6:24325 2.8:4.2=x:9.6x:24=3:143 8:x=2=89x4.5x=62.211110:x=8:44:3542.4x34:x=3:1236x=543518:6=x:1121 45:x=18:26110642.4x6x,12),x)533141142511 x xx0.74251050 x4013120169x ,解方程解方程X X2 237 7 X=X=4 2X+2X+X X3=20=20154 25%+10X=25%+10X=125361.3x5.220 x0.2)8x2 25 5=3 35 545 X-15%X=68 X-15%X=681423.661838x642X X X X121 5X121 5X3 335215X X121286X6X5=13.45=13.4X X2=7716 X X12125 5X=X=3 31010X X61335=264525217343134X 48 3X=3X=387328X=X=4 4X 4X6 63=2=235 X=X=258116729 X=X=651x x3 3 9=299=29112x x+6x x=4=43 4 4321X X2121=4=4x x 202(x 2.6)810342 21 13 36X6X5=13.45=13.4 X-X-X=X=4 46 638385X=5X=151923X X14=12=12X X6261335=45254+0.7X=1024+0.7X=1025 53 310108421X=X=15 X X3255X=X=72142X+X+132X=42 X+X=42 X+4155=2889X=X=161651X4=30%=30%14X=105X=1054 X-0.25=X-0.25=X-X-X=400 X-0.125X=8X=400 X-0.125X=83336=8X+X+3 37 7 X=18 X X=18 Xx x2+1=4=433285-334 x=5xx=16+6 20 xX4(1 16 6+3 38 8)=)=13131212 x x0.375x=0.375x=56 X37X125 X58213(x-4.5)=72 x-25%x=10 x-x-4 45 5 x-4=21 x-4=2153823X25%X=90 X X=X X=797423312X+=70%X+20%X=3.6 X=205525%+10X=455X35215734X 1438 3X=X78X=34 4X23X1412 6X38 X623=25438X1215=13.427=716125X=3106 X-15%X=68 X325811613626 X=X=X=57296512535454x3 9=29x+x=41132X21=4x 14x 20215 X-3 X=310 4821X=415 X35X=2572262(x 2.6)8 6X638 5X=4155=2889X=116651 X1035=13.4151923X14=126261335=45257X-0.25=14X=30%4+0.7X=10242113X+X=42 X+X=105 X-X=400324X-0.125X=8363X=4 X+X(131356+8)=12 x0.375x=6 xX37X12 5 X5823(x-4.5)=712 x-25%x=10 X837 X=1823+12=4385-334 x=525%X=908xx=16+6 20 x x-45 x-4=21X382 22 23 37 X=9X X7 7 X=X=34 2X+2X+5 5=5 5X X3=20=201 25%+10X=25%+10X=4545X-15%X=68X-15%X=68X X3X X121 5X121 5X3 355821734X 1348 3X=3X=38X X2=77716 X X8X=X=34 4X 4X6 623=2=2912123 33258116X=X=X=X=X=X=5 510105729651X X1311626=4 4x x3 3 9=299=29x x+x x=4=4354525310X X212123=4=46X6X5=13.45=13.45X=5X=1519213X X4=12=12x 14x 202 25 5 X-X-1 13 3 X=X=3 31010 4 48421X=X=15 X X35X=X=2572262(x 2.6)86 638384155=2881169X=X=65110X X131X626=X-0.25=X-0.25=30%=30%254435454+0.7X=1024+0.7X=102X+X+X=42 X+X=42 X+X=105X=105211 X-X-38X=400 X-0.125X=8X=400 X-0.125X=8X+X+3 37 7 X=18 X X=18 Xx x2+1=4=433285-334 x=5xx=16+6 20 x324363X=4(1 13 3131356 6+8 8)=)=1212 x x0.375x=0.375x=6 X37X125 X5823(x-4.5)=712 x-25%x=10 x-x-4 45 5 x-4=21 x-4=2111
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