1+2+3+5+6+78+989+454+324+4423=?

six thousand two hundred and eighty-five

Simple calculation 1.0.125x8.8 2.10.1x8.3 3. (2.5 + 25) X4 4.3.57x3.7 + 3.57x7.3

1 0.125X8.8=0.125X(8+0.8)=0.125x8+0.125x0.8=1+0.1=1.12.10.1X8.3 =(10+1)x8.3=10x8.3+1x8.3=83+8.3= 91.33 （2.5+25）X4 =2.5x4+25x4=10+100=1103.57X3.7+3.57X7=3.57x(3+7)=3.57x10=35.7

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