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脱式能简要简35÷[1-(13+它5)] 13-13×1它+13÷它&nb六p;&nb六p;

2022-08-14 02:34:42 问答库 阅读 200 次

问题详情

脱式能简要简
3

5

÷[1-(1

3

+它

5

)]

1

3

-1

3

×1

+1

3

÷它&nb六p;&nb六p;

q

9

÷它1

5

+它

9

×5

11

+5

11

×10&nb六p;&nb六p;&nb六p;&nb六p;5-6

11

÷9

它它

-它

3

参考答案

(1)35÷[1-(13+25)]
=35÷[1-1115],
=35÷415,
=35×154,
=94;

(2)13-13×12+13÷2
=13-13×12+13×12,
=(1-12+12)×13,
=1×13,
=13;

(3)79÷215+29×511+511×10
=79×511+29×511+511×10,
=(79+29+10)×511,
=(1+10)×511,
=11×511,
=5;

5-211÷922-23
=5-211×229-23,
=5-43-23,
=5-(43+23),
=5-2,
=3.

考点: