3.14*7.3+3.7*3.14-3.14简便运算
问题描述:
3.14*7.3+3.7*3.14-3.14简便运算
答
3.14X(7.3+3.7-1)=3.14X10=31.4
答
3.14*7.3+3.7*3.14-3.14
=3.14*7.3+3.7*3.14-3.14*1
=3.14*(7.3+3.7-1)
=3.14*10
=31.4
答
3.14*7.3+3.7*3.14-3.14
=3.14*(7.3+3.7-1)
=3.14*10
=31.4