8+（-1/4）-5-（-0.25）= 99*26= （-3.5-7.75-4.25）÷1.1=

ps1152022-10-04 11:39:541条回答

8+（-1/4）-5-（-0.25）= 99*26= （-3.5-7.75-4.25）÷1.1=
急

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salting 共回答了18个问题 | 采纳率66.7%: 8+（-1/4）-5-（-0.25）=
=8-0.25-5+0.25
=8-5
=3
99*26=
=(100-1)*26
=100*26-1*26
=2600-26
=2574
（-3.5-7.75-4.25）÷1.1=
=(-3.5-12)÷1.1
=-15.5÷1.1
=-155/11; 1年前

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