18÷{1-{0.4+(1-0.4)}*0.4= 1÷(6/1-3/1)*6/1= -3-{4-(4-3.5*3/1)}*{-2+(-3)}=急

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/27 07:21:24
18÷{1-{0.4+(1-0.4)}*0.4=1÷(6/1-3/1)*6/1=-3-{4-(4-3.5*3/1)}*{-2+(-3)}=急18÷{1-{0.4+(1-0.4)}*0.4=1÷(6/1

18÷{1-{0.4+(1-0.4)}*0.4= 1÷(6/1-3/1)*6/1= -3-{4-(4-3.5*3/1)}*{-2+(-3)}=急
18÷{1-{0.4+(1-0.4)}*0.4= 1÷(6/1-3/1)*6/1= -3-{4-(4-3.5*3/1)}*{-2+(-3)}=

18÷{1-{0.4+(1-0.4)}*0.4= 1÷(6/1-3/1)*6/1= -3-{4-(4-3.5*3/1)}*{-2+(-3)}=急
1.=18/0.76=1800/76=450/19=437又13/19
2.=-1
3.-3-(10.5*(-5))=49.5