直接写得数121×2=800×5=570+30=60÷5=37+27=1-29=853-200=74×2=
直接写得数
| 121×2= | 800×5= | 570+30= | 60÷5= |
| += | 1-= | 853-200= | 74×2= |
直接写得数
| 121×2= | 800×5= | 570+30= | 60÷5= |
| += | 1-= | 853-200= | 74×2= |
| 121×2= | 800×5= | 570+30= | 60÷5= |
| += | 1-= | 853-200= | 74×2= |
| 121×2= | 800×5= | 570+30= | 60÷5= |
| += | 1-= | 853-200= | 74×2= |
| 121×2= | 800×5= | 570+30= | 60÷5= |
121×2= | 800×5= | 570+30= | 60÷5= | | += | 1-= | 853-200= | 74×2= |
+= | +=| 3 |
| 7 |
| 3 |
3 | | 7 |
7 | =| 2 |
| 7 |
| 2 |
2 | | 7 |
7 | 1-= | =| 2 |
| 9 |
| 2 |
2 | | 9 |
9 | 853-200= | 74×2= |
答案和解析
| 121×2=242 | 800×5=4000 | 570+30=600 | 60÷5=12 |
| += | 1-= | 853-200=653 | 74×2=148 |
| 121×2=242 | 800×5=4000 | 570+30=600 | 60÷5=12 |
| += | 1-= | 853-200=653 | 74×2=148 |
| 121×2=242 | 800×5=4000 | 570+30=600 | 60÷5=12 |
121×2=242 | 121×2=242
800×5=4000 | 800×5=4000
570+30=600 | 570+30=600
60÷5=12 | 60÷5=12
| += | 1-= | 853-200=653 | 74×2=148 |
+= | +=| 3 |
| 7 |
| 3 |
3 | 3
| 7 |
7 | 7+
=| 2 |
| 7 |
| 2 |
2 | 2
| 7 |
7 | 7=
| 5 |
| 7 |
| 5 |
5 | 5
| 7 |
7 | 7
1-= | 1-
=| 2 |
| 9 |
| 2 |
2 | 2
| 9 |
9 | 9=
| 7 |
| 9 |
| 7 |
7 | 7
| 9 |
9 | 9
853-200=653 | 853-200=653
74×2=148 | 74×2=148
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