4.2-1.38+5.8-3.62= 0.125×0.25×32 2= 90.5×99+90.5=

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4.2-1.38+5.8-3.62= 0.125×0.25×32 2= 90.5×99+90.5=
4.2-1.38+5.8-3.62= 0.125×0.25×32 2= 90.5×99+90.5=

4.2-1.38+5.8-3.62= 0.125×0.25×32 2= 90.5×99+90.5=
4.2-1.38+5.8-3.62=(4.2+5.8)-(1.38+3.62)=10-5=5; 0.125×0.25×32^2=(0.125x8)x(0.25x4)x32=1x1x32=32; 90.5×99+90.5=90.5x(99+1)=90.5x100=9050