如题所述
第1个回答 2022-09-10
1/12×13.2
=1/12×(12+1.2)
=1/12×12+1/12×1.2
=1+0.1
=1.1本回答被提问者采纳
=1/12×(12+1.2)
=1/12×12+1/12×1.2
=1+0.1
=1.1本回答被提问者采纳
第2个回答 2022-09-10
(1/12)×13.2 = (1/12)×12×1.1 = 1.1
第3个回答 2022-09-10
1/12x13.2
=1/12x(12+1.2)
=1/12x12+1/12x1.2
=1+0.1
=1.1
=1/12x(12+1.2)
=1/12x12+1/12x1.2
=1+0.1
=1.1
第4个回答 2022-09-10
解:此题可以先将13.2化成带分数即为13又1/5,然后按照分数乘分数的法则进行计算。列式计算
1/12ⅹ13又1/5
=1/12ⅹ13+1/12ⅹ1/5
=13/12+1/60
=65/60+1/60
=66/60
=11/10
=1又1/10
1/12ⅹ13又1/5
=1/12ⅹ13+1/12ⅹ1/5
=13/12+1/60
=65/60+1/60
=66/60
=11/10
=1又1/10