作业帮简便计算题7.09×10.8-0.8×7.09+7.09
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/13 17:13:47
简便计算题7.09×10.8-0.8×7.09+7.09
简便计算题7.09×10.8-0.8×7.09+7.09
简便计算题7.09×10.8-0.8×7.09+7.09
7.09x10.8-0.8x7.09+7.09
=(10.8-0.8+1)x7.09
=11x7.09
=77.99
7.09×10.8-0.8×7.09+7.09=7.09*（10.8-0.8+1）=7.09*11=77.99
7.09×10.8-0.8×7.09+7.09
=7。09*（10。8-0。8）+7。09
=7。09*10+7。09
=70。9+7。09
=77。99
7.09×10.8-0.8×7.09+7.09
=7.09*（10.8-0.8）+7.09
=7.09*10+7.09
=70.9+7.09
=77.99
有没有搞错...
7.09×10.8-0.8×7.09+7.09
=7.09×(10.8-0,8)+7.09
=7.09×10+7.09
=70.9+7.09
=77.99