Question

直接寫出得數(shù)．
2×31=
40÷2=
56+32=
9000+500=
84÷4=
78-24=
210×4=
1300-800=
6×800=
80÷8=
96÷3=
120-70=
40-15=
22+38=
88-53=
37+53=

1

3

+

1

3

=

4

7

-

2

7

=

2

5

+

2

5

=

7

9

-

5

9

=

Answer 1

分析：根據(jù)整數(shù)加減法、整數(shù)乘除法和分?jǐn)?shù)加減法的計(jì)算方法進(jìn)行計(jì)算即可得到答案．

解答：解：2×31=63
40÷2=20
56+32=88
9000+500=9500
84÷4=21
78-24=54
210×4=840
1300-800=500
6×800=4800
80÷8=10
96÷3=32
120-70=50
40-15=25
22+38=60
88-53=35
37+53=90

1

3

+

1

3

=

2

3

4

7

-

2

7

=

2

7

2

5

+

2

5

=

4

5

7

9

-

5

9

=

2

9

．

點(diǎn)評(píng)：此題主要考查的是整數(shù)加減法、整數(shù)乘除法和分?jǐn)?shù)加減法計(jì)算方法的應(yīng)用．