计 算 题（数学·2019年·北京市西城区）

2/5 × 2/5 =_____     1.25 × 8 =_____               1.7×0.3 =_____

8 ÷ 2/7 =_____         14 × 4 =_____                  9.09÷9 =_____

3.5÷0.7=_____          3/5 × 2/3 =_____             6/5 × 15/8 =_____

45÷5=_____             12÷0.1=_____                   3/7 ÷ 3/7 =_____

11/18÷11/3 =_____ 140×3=_____                     4/9 × 1/4 =_____

0.8×3 =_____           5/8×16 =_____                  0÷11/13 =_____

12×3/4 = _____        6/13÷1 = _____                 1÷7 =_____

解答提示

4/25；10；0.51；28；56；1.01；5；2/5；9/4；9；120；1；1/6；420；1/9；2.4；10；0；9；6/13；1/7