5.4×7.8+2.7×4.4怎么简算呀!急
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/28 18:17:02
5.4×7.8+2.7×4.4怎么简算呀!
急
5.4×7.8+2.7×4.4
=2.7( 2x7.8 +4.4)
=2.7( 15.6+4.4)
=2.7x20
=54
5.4×7.8+2.7×4.4
=2.7×(7.8×2)+2.7×4.4
=2.7×15.6+2.7×4.4
=2.7×(15.6+4.4)
=2.7×20
=54
收录互联网各类作业题目,免费共享学生作业习题
慧海网手机作业共收录了 千万级 学生作业题目
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/28 18:17:02
5.4×7.8+2.7×4.4怎么简算呀!
急
5.4×7.8+2.7×4.4
=2.7( 2x7.8 +4.4)
=2.7( 15.6+4.4)
=2.7x20
=54
5.4×7.8+2.7×4.4
=2.7×(7.8×2)+2.7×4.4
=2.7×15.6+2.7×4.4
=2.7×(15.6+4.4)
=2.7×20
=54