6.4÷0.25+3.6x4简便计算

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 09:24:10
6.4÷0.25+3.6x4简便计算

6.4÷0.25+3.6x4简便计算
6.4÷0.25+3.6x4简便计算

6.4÷0.25+3.6x4简便计算
=(6.4+3.6)*4=10*4=40

6.4÷0.25+3.6÷0.25x16
=(6.4÷0.25)(1+16)
=25.6x17
=435.2

6.4÷0.25+3.6x4
=6.4x4+3.6x4
=(6.4+3.6)x4
=10x4
=40

=6.4÷1/4+3.6×4
=6.4×4+3.6×4
=4×(6.4+3.6)
=4×10
=40

就是把4提出来,再算6.4+3.6,得4*10
/0.25看成/四分之一,在看成*4

=(6.4+3.6)*4=10*4=40