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

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/16 17:49:32
8+(-1/4)-5-(-0.25)=99*26=(-3.5-7.75-4.25)÷1.1=急8+(-1/4)-5-(-0.25)=99*26=(-3.5-7.75-4.25)÷1.1=急8+(-1/

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

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