【题目】计算,直接写得数
× =________ | ×9=________ | × =________ | ×70=________ |
﹣ =________ | × =________ | × =________ | ×10=________ |
× =________ | × =________ | × =________ | 9× =________ |
×10=________ | × =________ | 140× =________ | + =________ |
× =________ | 20× =________ | 75× =________ | ×25=________ |