Simple calculation of 3.5 × 98 + 35 × 0.2

Simple calculation of 3.5 × 98 + 35 × 0.2


3.5×98+35×0.2
=3.5×(98+2)
=3.5×100
=350



A simple calculation method of 46 × 35 + 55 × 35-35


The law of distribution
46*35+55*35-35
=46*35+55*35-35*1
(55+46-1)*35
=100*35
=3500



A simple calculation method of 46 × 46


=(50-4)*(50-4)
=(50-4) ^ 2 (square of 50-4)
=50^2-400+16
=2500-400+16
=2100+16
=2116
It uses simple calculation and complete square formula. What grade are you in? This is simple calculation