小学六年级数学解方程练习题.doc

小学六年级解方程练习题
3X= X÷= ÷X=

=30% X = X-0.25=

X×=20× 50% X + X = 3.6 25% X + 15%X =

X - 15%X = 68 X－ X = X＋X＝121

X＋X= X + X = 4 X+X=20

6X＋5 =13.4 4 X－6＝38 X+=

4 X－3 ×9 = 29 5X－3×＝ 4X－6×=2

0.36×5- X = X - 0.8 X = 16+6 ( X - 4.5) = 7

X÷＝12 2(X-2.6)=8 X-X=

X×( + )= X－0.375 X = 20 X– 8.5= 1.5

X - X -4= 21 4+0.7X=102 X - 25% X = 10

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