在下面各式中的合适地方,添上括号(小括号或中括号),使等式成立.6+36÷3-2×4-1=12 6+36÷3-2×4

2024-12-10 09:11:56
推荐回答(1个)
回答1:

(1)6+36÷3-2×(4-1)
=6+12-2×3
=6+12-6
=12     辩备


(2)6+36÷[(3-2)郑灶逗×(4-1)喊卖]
=6+36÷[1×3]
=6+36÷3
=6+12
=18
    

(3)(6+36÷3-2)×4-1
=(6+12-2)×4-1
=16×4-1
=64-1
=63

(4)6+36÷(3-2)×4-1
=6+36×4-1
=6+144-1
=149.