五年级数学上册解方程专项训练 70.docx

五年级数学上册解方程专项训练 70.docx

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五年级数学上册解方程专项训练70

2.7＋x＝22.48x＋14x＝116.7x－5.8x＝7.2

8.54－x＝4.7810x＋5x＝128.6x－1.5x＝28.4

4.2＋x＝10.112x＋4x＝88.2x－1.8x＝57.6

9.42－x＝1.329x＋18x＝21.69x－4.3x＝98.7

x＋2.2＝51.316x＋19x＝286.4x－1.6x＝129.6

9.91－x＝2.6614x＋9x＝2.38.3x－4.3x＝76

x－1.7＝90.514x＋16x＝158.4x－3x＝124.2

4.3＋x＝70.48x＋2x＝56.5x－6x＝6

x＋2.7＝39.516x＋10x＝139x－5.1x＝7.8

3.5＋x＝37.419x＋18x＝18.57.7x－4.8x＝81.2

x＋5.4＝99.58x＋4x＝7.29.9x－4.2x＝85.5

9.16－x＝4.9914x＋17x＝27.98.2x－4.4x＝49.4

x＋4.6＝20.513x＋11x＝14.46.4x－3.3x＝43.4

6.23－x＝117x＋12x＝11.67.3x－4.9x＝24

2.8＋x＝42.79x＋3x＝66.9x－1.5x＝48.6

9.36－x＝5.0816x＋18x＝6.89.5x－5.9x＝21.6

7.9＋x＝31.59x＋14x＝2.38x－4.6x＝47.6

5.55－x＝5.3516x＋10x＝10.46.7x－5.5x＝7.2

9＋x＝117x＋11x＝12.67.1x－5.6x＝10.5

x＋1.8＝5.94x＋16x＝88.3x－5x＝66

x＋2.2＝78.618x＋13x＝9.38.3x－3.9x＝57.2

5.77－x＝3.8216x＋19x＝288.9x－4x＝78.4

x＋4.2＝69.87x＋11x＝1.87.9x－5x＝72.5

x－6.9＝81.417x＋2x＝7.69.1x－5.5x＝36

3.8＋x＝31.84x＋17x＝4.27.9x－4.7x＝86.4

8.33－x＝2.0513x＋8x＝18.97.7x－5.7x＝28

8.42－x＝1.8419x＋8x＝16.28.8x－5.8x＝69

5.9－x＝2.5312x＋10x＝6.67.9x－1.4x＝169

x＋2.6＝31.79x＋4x＝11.77.7x－3x＝79.9

9.65－x＝2.8414x＋11x＝22.58.8x－4.3x＝99

1.7＋x＝39.513x＋10x＝4.66.4x－4.4x＝6

x＋2.8＝36.116x＋2x＝16.27.8x－5.2x＝59.8

x＋2.1＝67.92x＋19x＝16.88.7x－4.4x＝77.4

x＋5.1＝30.92x＋6x＝46.8x－4.5x＝20.7

6.6－x＝1.9615x＋16x＝18.67.8x－2.8x＝130

x－5.7＝76.716x＋10x＝7.87.1x－1.7x＝5.4

2.7＋x＝68.214x＋3x＝11.98.8x－4.9x＝15.6

x＋2.8＝9614x＋9x＝16.19x－5.1x＝19.5

7.4－x＝4.068x＋9x＝10.27.8x－2.7x＝86.7

x－7.5＝17.29x＋16x＝206.8x－4x＝61.6

x－9.6＝26.116x＋13x＝14.59.6x－3.9x＝68.4

x－9.5＝97.312x＋13x＝2.57.3x－2.2x＝20.4

x＋4.4＝41.215x＋15x＝99.8x－1.3x＝51

6.96－x＝4.479x＋14x＝13.89.7x－4.6x＝122.4

x－8.1＝44.417x＋4x＝6.39.7x－5.3x＝92.4

9.48－x＝2.8210x＋17x＝10.89.5x－5.2x＝47.3

x＋3.1＝87.68x＋13x＝4.27.2x－5.9x＝26

x－9.6＝95.810x＋4x＝5.66.6x－4.4x＝2.2

x－5.4＝99.118x＋6x＝2.46.4x－5.8x＝9

x－1.5＝16.818x＋12x＝216.4x－3.5x＝72.5

x＋1.2＝19.38x＋13x＝8.49.6x－5.1x＝112.5

7.3＋x＝73.65x＋6x＝3.39.8x－1.2x＝240.8

1.5＋x＝84.57x＋4x＝6.66.3x－2.9x＝40.8

x＋2.3＝29.66x＋18x＝16.87.8x－1.4x＝153.6

3.5＋x＝12.97x＋3x＝77.1x－3.8x＝72.6

6.48－x＝3.8616x＋18x＝23.86.2x－6x＝0.2

8.96－x＝5.3111x＋19x＝216.8x－4.9x＝30.4

5.71－x＝5.339x＋18x＝10.87.7x－2.6x＝20.4

x－8.9＝24.32x＋2x＝2.88.7x－5.6x＝37.2

3.4＋x＝66.218x＋18x＝28.89.2x－2.4x＝88.4

2.8＋x＝67.718x＋8x＝20.86.8x－1.4x＝113.4

5.59－x＝4.4914x＋8x＝8.87.4x－4.5x＝40.6

x＋2.8＝29.118x＋8x＝23.47.5x－4.6x＝8.7

6.1＋x＝97.56x＋15x＝6.38x－2.6x＝162

x＋3.5＝63.77x＋15x＝4.47.7x－4.7x＝21

x－1.5＝56.67x＋6x＝6.59x－3.8x＝145.6