Q.1
Please enter your question here.
add 8+7 = 15, carry the 1; add 6+1 + 1 = 8; add 8 +4 =12; total 1285
add 8+7 = 15; add 60 +10 + 10 = 80; add 800 +400 =1200; total 1285
add 8+7 = 15; add 60 + 10 = 70; add 800 +400 =1200; total 1285