1. (1) Rewrite 7-3.18 = 3.82 into one addition and one subtraction. 2. Rewrite 7 * 21 / 5 = 15 into two division

1. (1) Rewrite 7-3.18 = 3.82 into one addition and one subtraction. 2. Rewrite 7 * 21 / 5 = 15 into two division

7-3.82=3.18
3.82+3.18=7
15 divided by 7 / 5 = 21
15 divided by 21 = 7 / 5
I hope it can be adopted. Thank you