Step 1 :\(12.4 + 6.12 = 18.52\)
Step 2 :\(654 + 329 = 983\)
Step 3 :\(34.9 + 48 = 82.9\)
Step 4 :\(113.98 + 34.965 = 148.945\)
Step 5 :\(1.35 - 1.27 = 0.08\)
Step 6 :\(5.78 - 0.467 = 5.313\)
Step 7 :\(9.8 - 124.3 = -114.5\)
Step 8 :\(635.86 - 34.186 = 601.674\)
Step 9 :\(1300 \times 0.13 = 169\)
Step 10 :\(125.5 \times 0.125 = 15.6875\)
Step 11 :\(16.8 \times 12 = 201.6\)
Step 12 :\(34 \times 34 = 1156\)
Step 13 :\(0.00001 \times 100000 = 1\)
Step 14 :\(16.25 \div 3 = 5.4167\)
Step 15 :\(158 \div 3.5 = 45.1429\)
Step 16 :\(12.36 \div 3 = 4.12\)
Step 17 :\(164.45 \div 4.5 = 36.5444\)