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2021年2月23日发(作者：付丽娟)

2.1+0.2=

2.59+9.10=

96.3-56.2

=

3.96+6.04=

36.08+9.92=

7

.

3

−

2

.

6 =

63.22-22.77=

2.4+1.2=

2.65+9.32=

7

.

23 + 3

.

6 =

10

－

7.64=

42.5-17.8=

0.33+9.88=

20

－

5.674

＝

1.26+5.21=

7.68-6.50=

6

.

25

−

2

.

25 =

2.6+0.4=

8.65

－

6.31=

3.79-3.47=

8.28+4.75=

9.6

−

3.5 =

5.82-4.73=

5.63-5.21=

56.4+23.1=

33.84+16.5=

5

.

8

−

2

< p>
.

4=

75.2-28.3

=

7.65+2.13=

1.2+8.8=

2.3 +4.21 =

54.49-22.5=

45.96-24.41

=

0.72+0.91=

16.65+18.87=

3.51+0.2=

3.51+9.00=

5

.

63

−

1

.

63=

17.2-0.36=

21.65+4.05=

17.40-4.04=

41.98+18.24=

6.35-5.23=

10

－

7.64=

8

.

8 + 1

.

2 =

7.2+6.9=

21.43

－

7.56=

9.3-8.8=

136.5-105.7

=

1.99+25.7=

93.88-69.21=

6.14-2.01=

1.23+6.52=

3

.

25

−< /p>

1

.

83 =

5.86-1.95=

13.6

＋

8.46=

6

.

19 + 2

.

5 =

9

.

19+1

.

86 =

9.28+7.32=

73.55-14.68

=

8

.

04

−

6

.

87 =

5.58+0.13=

5.2-0.9=

7.5-0.5=

0.96+4.68

2

.

54 +1

.

84=

9.25+2.25=

3.85+61.18=

4.22+8.46=

0.83+0.68=

7.65-4.19=

8.88-2.69=

6.97-5.97=

4.5-0.01=

7

.

17 +1

.

5 =

2.98+3.26=

35.4-24.58=

6

.

1

−

4

.

6 =

6

.

42 + 8

.

18 =

45.52-22.18=

5.2-0.08=

7.4

−

6.1 =

0.45+5.47=

16.25-7.94=

-

-

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-

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