估一估,哪些算式的商接近10,在它的旁边画“√”. 18÷1.9________ | 7.5÷2.5________ |
15÷1.4________ | 5.4÷0.55________ |
84÷0.4________ | 2.7÷0.26________ |
2.5÷2.4________ | 3÷0.31________. |
估一估,哪些算式的商接近10,在它的旁边画“√”. 18÷1.9________ | 7.5÷2.5________ |
15÷1.4________ | 5.4÷0.55________ |
84÷0.4________ | 2.7÷0.26________ |
2.5÷2.4________ | 3÷0.31________. |