｜-5又2分之1｜×（-6分之5）×11分之3÷1 - 知识问答

｜-5又2分之1｜×（-6分之5）×11分之3÷1又4分之1

3个回答

｜-5又1/2｜×(-5/6)×3/11÷1又1/4
=11/2×(-5/6)×3/11×4/5
=-55/12×3/11×4/5
=-165/132×4/5
=-660/660
=-1
-0.5ˇ2+1/4-｜-2ˇ2-4｜-(1又1/2)ˇ3×16/27
=0.25+1/4-｜4-4｜-27/8×16/27
=1/4+1/4-0-1/2
=1/2-1/2
=0

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