括号120-40括号其以20=

2025-04-13 10:29:34
推荐回答(1个)
回答1:

(120-40)÷20=4
36÷3×4=48
120-40÷20=118
36÷(3×4)=3
120÷2-40=20
36×4÷3=48
89+4×(156÷13)
=89+4×12
=89+48
=137
(18+12×4)÷2
=(18+48)÷2
=66÷2
=33