6.3 * 10.1 simple calculation
6.3×10.1=6.3×(10+0.1)=6.3×10+6.3×0.1=63+0.63=63.63
Simple calculation of 10 3 / 4 * 9 1 / 4
=(10+3/4)*(10-3/4)
=10²-(3/4)²
=100-9/16
=99+7/16
=99 and 7 / 16
How to calculate 2 / 5 × 18 + 0.4 × 32 with simple calculation
2 / 5 × 18 + 0.4 × 32
=0.4×(18+32)
=0.4×50
=20