[12-(34-35)]÷710 10.5-10.5÷74×29 8.7×6.5+8.7×-8.7 (45+14)÷73+710 怎么[12-(34-35)]÷710 10.5-10.5÷74×29 8.7×6.5+8.7×-8.7 (45+14)÷73+710 怎么简便算啊

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 08:26:06

[12-(34-35)]÷710 10.5-10.5÷74×29 8.7×6.5+8.7×-8.7 (45+14)÷73+710 怎么[12-(34-35)]÷710 10.5-10.5÷74×29 8.7×6.5+8.7×-8.7 (45+14)÷73+710 怎么简便算啊
[12-(34-35)]÷710 10.5-10.5÷74×29 8.7×6.5+8.7×-8.7 (45+14)÷73+710 怎么
[12-(34-35)]÷710 10.5-10.5÷74×29 8.7×6.5+8.7×-8.7 (45+14)÷73+710 怎么简便算啊

[12-(34-35)]÷710 10.5-10.5÷74×29 8.7×6.5+8.7×-8.7 (45+14)÷73+710 怎么[12-(34-35)]÷710 10.5-10.5÷74×29 8.7×6.5+8.7×-8.7 (45+14)÷73+710 怎么简便算啊
8.7×6.5+8.7×-8.7=8.7x-2.2=-8.7x(2+0.2)=-(17.4+1.74)=-19.14