问题
解答题
列式计算.
①2.34与3.26的和乘5,所得的积去除8.4,商是多少?
②甲数是35,乙数比甲数的3倍还多25,乙数是多少?
答案
①8.4÷[(2.34+3.26)×5]
=8.4÷[5.6×5],
=8.4÷28,
=0.3;
②35×3+25
=105+25,
=130.
列式计算.
①2.34与3.26的和乘5,所得的积去除8.4,商是多少?
②甲数是35,乙数比甲数的3倍还多25,乙数是多少?
①8.4÷[(2.34+3.26)×5]
=8.4÷[5.6×5],
=8.4÷28,
=0.3;
②35×3+25
=105+25,
=130.