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题型:填空题 题类:常考题 难易度:普通

小学数学四年级下册 解简易方程5951 10 (42)

计算.

3x+8x=                       2b-1.5b=

+3=                          5.7x-3x=

x+0.5x=                      6x-2.4x=

7.5x-2.6x=                   3.6x+2x=

4x+3x-5x=                   9x+7x+2.5x=

4-3+5.6=

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