算一算,在统计图中涂一涂.
|
3 ×6= |
2 ×6= |
4 ×3= |
|
4 +5= |
72 -20= |
1 ×3= |
|
12 +12= |
7 +8= |
40 -27= |
|
2 ×3= |
30 ÷6= |
25 ÷5= |
|
1 ×5= |
3 ×5= |
52 -30= |
|
3 ×3= |
14 +27= |
24 ÷6= |
![]()
找规律,写算式.
|
1 +2=3 |
|
4 +5+6=7+8 |
|
9 +10+11+12=13+14+15 |
|
16 +17+18+19+20=21+22+23+24 |
|
_______________=_________________ |
把
|
①□÷ 2+3=6 |
② 2×□+□=10 |
|
③□×□+ 3=27 |
④ (□-8)×5=5 |
|
⑤ (□+2)÷6=□ |
⑥ (□-□)×2=10 |