问题
解答题
下列算式漏了括号,请你补上括号.
160÷20+15×2
=(8+15)×2
=23×2
=46
160÷20-15×2
=160÷5×2
=32×2
=64.
答案
(160÷20+15)×2,
=(8+15)×2,
=23×2,
=46;
160÷(20-15)×2
=160÷5×2
=32×2
=64.
下列算式漏了括号,请你补上括号.
160÷20+15×2
=(8+15)×2
=23×2
=46
160÷20-15×2
=160÷5×2
=32×2
=64.
(160÷20+15)×2,
=(8+15)×2,
=23×2,
=46;
160÷(20-15)×2
=160÷5×2
=32×2
=64.