题目

________ the students in my class ________ 50.        A . The number of, is                    B. The number of, are          C. A number of, is                        D. A number of, are 答案：A直接写出得数 3-35= 56×35= 1+56= 2-12= 47-328= 98-47-37= 3÷4+14= 0.12÷20%= 38×4÷38×4= 3.2+110-3.2+110=