【要写过程】.5.6×69.32+138.64×0.05+693.2×0.43

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/20 15:16:48

【要写过程】.5.6×69.32+138.64×0.05+693.2×0.43

5.6×69.32+138.64×0.05+693.2×0.43
=5.6X69.32+69.32X2X0.05+69.32X10X0.43
=69.32X5.6+69.32X0.1+69.32X4.3
=69.32X(5.6+0.1+4.3)
=69.32X10
=693.2