Вычислите:
х+y
х-y
х*yх:y
если, х=6,4*10^4
y=1,6*10^3
х+y ==6,4*10^4+1,6*10^3 =10^3(6.4*10+1.6)=10^3*65.6=65600
x-y=6,4*10^4-1,6*10^3 =10^3(6.4*10-1.6)=10^3*62.4=62400
x*y=6,4*10^4*1,6*10^3 =10.24*10^7
х:y=6,4*10^4/1,6*10^3=4*10=40
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Answers & Comments
х+y ==6,4*10^4+1,6*10^3 =10^3(6.4*10+1.6)=10^3*65.6=65600
x-y=6,4*10^4-1,6*10^3 =10^3(6.4*10-1.6)=10^3*62.4=62400
x*y=6,4*10^4*1,6*10^3 =10.24*10^7
х:y=6,4*10^4/1,6*10^3=4*10=40