(-3.6)+(+2.7)+(-0.4)+2有8分之7+(+13)+(1又8分之7)

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/04 16:04:04
(-3.6)+(+2.7)+(-0.4)+2有8分之7+(+13)+(1又8分之7)
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(-3.6)+(+2.7)+(-0.4)+2有8分之7+(+13)+(1又8分之7)
(-3.6)+(+2.7)+(-0.4)+2有8分之7+(+13)+(1又8分之7)

(-3.6)+(+2.7)+(-0.4)+2有8分之7+(+13)+(1又8分之7)
原式=-3.6+2.7-0.4+8分之23+13+8分之15
=13+2.7-(3.6+0.4)+8分之38
=15.7-4+8分之38
=11.7+8分之38
=11.7+4.75
=16.45