Question

直接写出结果：0.25×40= 9.9÷11.10= 10-1.10= 1÷3.2×2.3= 1.3-1.4= 1÷0.

Answer 1

0.25×40=10

9.9÷

11

.

10=99

10-

1

.

10=9[9/10]

1÷

3

.

2×

2

.

3=[4/9]

1

.

3-

1

.

4=[1/12] 1÷0.25=4

3

.

8÷0.375=1 99×101-99=9900．