12+15＝27英文怎么说

12 plus 15 equals 27

30 mimus 9 is 21

3 times 19 is 57

81 divided by 9 is 9

9 times 6 is 54

12+15＝27 12 plus 15 is/equals 27
30-9＝21 30 mimus 9 is/equals 21
3*19＝57 3 times/mutiplied by 19 is/equals 57
81/9＝9 81 divided by/equals 9 is 9
9*6＝54 9 times 6 is/equals 54
+plus -minus *times/multiply by ÷divided by =is/equals

twelve plus fifteen equals to twenty-seven
thirty minus nine equals to twenty-one
three times ninteen equals to fifty-seven
eighty-seven divided by nine equals to nine
nine times six equals to fifty-four

Twelve and fifteen is twenty-seven.
Thirty minus nine is twenty-one.
Three times nine is fifty-seven.
Eighty-one divided by nine is nine.
Nine times six is fifty-four.

twelve plus fifteen equals/is twenty-seven
thirty minus nine equals/is twenty-one
three plus ninteen equals/is fifty-seven
eighty-one multiply nine equals/is nine
nine plus six equals/is fifty-four