五、画一画,算一算。(每题画图2分,每空1分,共8分)
1. 3○□ 1+□= 3 3-1= □

2. 4☆☆☆□ 3+□= 4 4-3= □

1. 3○□ 1+□= 3 3-1= □
2. 4☆☆☆□ 3+□= 4 4-3= □
答案:
1.
2 2
2. ☆ 1 1
1.
2. ☆ 1 1
2+3>
4-
4-0<
3+0>
4
0
<2-14-
3
= 14-0<
5
4
>2+15
+0= 53+0>
2
1
<4-25
-2= 3
答案:
4 0 3 5 4 5 2 1 5(部分答案不唯一)
七、看图列式计算。(每题3分,共12分)
1.
2.
3.
4.
1.
1
+2
= 3
2.
4
-3
= 1
3.
4
-2
= 2
4.
0
+5
= 5
答案:
1. 1+2=3
2. 4-3=1
3. 4-2=2
4. 0+5=5
2. 4-3=1
3. 4-2=2
4. 0+5=5
把0,1,2,3,4,5这六个数填入□里,使算式成立。(每组算式中每个数只能用一次)
5
+0
=4
+1
=3
+2
5
-4
=3
-2
=1
-0
(或5
-2
=4
-1
=3
-0
)
答案:
5+0=4+1=3+2
5-4=3-2=1-0(或5-2=4-1=3-0)
5-4=3-2=1-0(或5-2=4-1=3-0)
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