已知方程2/7+3(x-1/2010)=5/7 求150+14(x-1/2010)的值

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已知方程2/7+3(x-1/2010)=5/7 求150+14(x-1/2010)的值

2/7+3(x-1/2010)=5/7
3(x-1/2010)=5/7-2/7
3(x-1/2010)=3/7
(x-1/2010)=3/7÷3
(x-1/2010)=1/7
150+14(x-1/2010)
=150+14×1/7
=152

(x-1/2010)=1/7 最后得数是 152

2/7+3(x-1/2010)=5/7
3(x-1/2010)=5/7-2/7
3(x-1/2010)=3/7
(x-1/2010)=3/7÷3
(x-1/2010)=1/7
150+14(x-1/2010)
=150+14×1/7
=152