`8282 + 2828 = ? xx 40`

6824 + 7864 = ? xx 40

6824+7864=? xx 40

6389-1212-2828=?

8648-7652=?xx40

8059-7263=?xx40

Fill in the blanks to make each of the following a true statement: 58 xx 46 = 58 xx 40 + 58 xx ..............

3596-2832+2040=?xx40

10 xx 20 xx 30 xx 40 xx ------------- xx 1000

Find the no. of zeros in the product of (5 xx 10 xx 25 xx 40 xx 50 xx 55 xx 65 xx 125 xx 80)