[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:六六作业网 时间:2024/12/23 09:22:43
[12-(34-35)]÷71010.5-10.5÷74×298.7×6.5+8.7×-8.7(45+14)÷73+710怎么[12-(34-35)]÷71010.5-10.5÷74×298.7×6.

[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