3.7乘2.3与1.7的差,积是多少?6c6^6L:{4q-^9O5f1~)T
算式:提示;r3}(w'p/N'U'a'd;x-S6c6^6L:{4q-^9O5f1~)T
答:积是3i9];x;r*P。6c6^6L:{4q-^9O5f1~)T