作业帮 > 数学 > 作业

85.42x7903.29-286.5x790.329+79032.9x4.323=?要次提取公因数,要简便计算.

来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/10 16:01:51
85.42x7903.29-286.5x790.329+79032.9x4.323=?要次提取公因数,要简便计算.
85.42x7903.29-286.5x790.329+79032.9x4.323=?要次提取公因数,要简便计算.
85.42x7903.29-286.5x790.329+79032.9x4.323
=85.42x7903.29-28.65x7903.29+7903.29x43.23
=7903.29x(85.42-28.65+43.23)
=7903.29x100
=790329