1. 2.
44人
45枝 50人
= =
3. 4.
9本 23本
= =
5. 6.
7. 8.
9. 10.
17粒
= =
11. 12.
= =
13. 14.
= =
15. 16.
= =
17. 18 79个 21棵
=
=
1、直接写出得数。
22+7= 30–20= 90+9= 60–30= 51+8= 7+83= 85–5= 98–70= 96–7= 65+5= 39+8= 4+65= 24+6= 45–30= 28–9= 16–5= 18+50–7= 80–60+35= 3+3720+5–16= 98–69+26= 5+46+8= 962、列竖式计算。
46+14= 65-28= 8+49= 61-9=38-6= 78+8= 68-60= 53-3=
100-68= 34+66= 57+4= 23+46=48-24= 78-20= 58+10= 81+12=
–4= 81–5–20= –12–9=
36+54= 64+17= 98-89= 70-67=
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