(9.5

＋

28.9) ]÷

0.18 =

2.881÷

0. 43

－

0.24×

3.5 =

20×

[(2.44

－

1.8)÷

0.4

＋

0.15] =

28-(3.4+1.25×

2.4) =

2.55×

7.1+2.45×

7.1 =

777×

9+1111×

3 =

0.8×

〔

15.5-(3.21+5.79)

〕

=

（

31.8+3.2×

）

÷

5 =

31.5×

4÷

(6+3) =

0.64×

25×

7.8+2.2 =

2÷

2.5+2.5÷

2 =

194

－

64.8÷

1.8×

0.9 =

36.72÷

4.25×

9.9 =

5180

－

705×

< br>6 =

24÷

2.4

－

2.5×

0.8 =

(4121+2389)÷

7 =

671×

15-974 =

469×

12+1492 =

405×

(3213-3189) =

3.416÷

（

0.016×

35< /p>

）

=

0.8 ×

[(10

－

6.76)÷

19.4×

6.1×

2.3

5.67×

0.2-0.62 =

18.1×

0.92+3.93

0.0430.24+0.875 =

0.4×

0.7×

0.25 0.75×

102

100-56.23 =

0.78+5.436+1 4.07×

0.86+9.12.5 =

73

×

12.5

×

0.8

2.8

×

3.5

－

3.5+9.2

×

3.5

36.4+68.8

－

7.35

1.25

×

6.4

< br>12.5

×

0.32

×

0.25

9.5

×

0.02

×

< br>0.8

×

1.25

5 .5

×

1.5

×

0.12

4.07

×

8.6+9.125

[

（

6.1

－

4.6

）－

0.8]

×

0.4

0.8

×（

4

－

3.38

）×

5

12.5

×

0.32

×

0.25