(-3.14)X45.2+6.28X(-20.8)-1.57X26.4 求解答,X是乘号,求过程

2024-12-02 19:27:01
推荐回答(2个)
回答1:

(-3.14)X45.2+6.28X(-20.8)-1.57X26.4
=-3.14x45.2-3.14x41.6-3.14x13.2
=-3.14x(45.2+41.6+13.2)
=-3.14x100
=-314

回答2:

Two days holiday