请你不改变算式20+30×12-6中数的位置和运算符号,可以添加小括号,使计算结果分别是200,300,594

2025-01-28 03:47:24
推荐回答(4个)
回答1:

20+30*(12-6)=200
(20+30)*(12-6)=300
(20+30)*12-6=594

回答2:

20+30×(12-6)=200
(20+30)×(12-6)=300
(20+30)×12-6=594

回答3:

20+30x(12-6)=200
(20+30)x(12-6)=300
(20+30)x12-6=594

回答4:

20+30*(12-6)=200
(20+30)*(12-6)=300
(20+30)*12-6=594
20+30x(12-6)=200
(20+30)x(12-6)=300
(20+30)x12-6=594
20+30×(12-6)=200
(20+30)×(12-6)=300
(20+30)×12-6=594