(3/11+0.87+0.13-3/11)÷0.03的简便方法怎么?
1个回答
2020-03-05
展开全部
(3/11+0.87+0.13+0.13)÷0.03
=(3/11+0.87+1)÷3/100
=3/11x100/3+0.87x100/3+100/3
=100/11+29+100/3
=9又1/11+29+33又1/3
=71又14/33
=(3/11+0.87+1)÷3/100
=3/11x100/3+0.87x100/3+100/3
=100/11+29+100/3
=9又1/11+29+33又1/3
=71又14/33
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