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苏教版六年级数学毕业总复习计算题(解方程)专项练习一4（x 9）4 xx3.6x -2.8x =7.22x +20=110x x -0.5x =5 5x+x1.1=5.5 x3.5x1.812.3 xx21 3x0.5x =5 xx 0.8x41.6 xx7.5x3.5x=18 4x1.2=5.25x210 4x 1848 x6 x2 x =56xxx 524x 152x7x 913.5x 1.3 8 x +8.3=10.7x3.2 x -1=63 x 5x83=24x 1806 x330x101806x330 x2222.2x110 x0.8x10x240 6X+5.8= 9.8 x2224xx3.15 12x3=16x280x0.25x3 3.4x1.88.63 x 1.5xx1 253x 19苏教版六年级数学毕业总复习计算题(解方程)专项练习三x +x =105 xx =400 x 0.125 x =8 36x = x + x =18 x( + )= x0.375x= x+=4 5x2.4580.365- x = ( x - 4.5) = 7 x - 25%x = 10x25%x =90 xx = 564x 3620.518x =17.5 3x1.84=109.23.16+4.2x =31.2