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1六年级数学解方程练习六年级数学解方程练习解方程。3X= X= X= =30% 83 72 16712 53 10 4XX = X-0.25= XX121 X X = 53 7225 41 832 7 43X=20 50% X + X = 3.6 25% X + 15%X = X - 15%X = 53 41 54 5468 XX= X + X = 4 X+X=20 6X5 =13.487 43 21 61 414 X638 X+= 4 X3 9 = 29 5X343 41 83 215 7524X6=2 0.365- X = X - 0.8 X = 16+6 X- X=323 43 52 51 33 10X12 2(X-2.6)=8 ( X - 4.5) = 7 20 X 8.5= 1.532 412 3X( + )= X0.375 X = X - X -4= 21 4+0.7X=102 1 63 813 12 654 5X - 25% X = 10 = 6:x :1 27 811 163 56 53713 x:1 121 21 21110 95 x2431x107 2858x3 (x6)25 5X3= X=41 445 65 107 57 54 21 109