125+26+67-25=
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a: =100x26=2600
b: =78x10=780
c: =67x100=6700
d: =1000x575=575000
\(4\times26\times25=\left(4\times25\right)\times26=100\times26=2600\\ 63\times78-53\times78=\left(63-53\right)\times78=10\times78=780\\ 67\times92+67\times8=67\times\left(92+8\right)=67\times100=6700\\ 8\times23\times25\times125=\left(8\times125\right)\times\left(23\times25\right)=1000\times575=57500\)
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b) [(24+-67)]-[-67-(-24)]=0
c) 2^3.17-2^3.14=112
d) 26.(-125)-125.(-36)=1250
e) 48-6(12+9)=-78
f) (-67).(1-301)-301.67=-67
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a. ( - 57 ) . ( 67 - 34 ) - 67 . (34 -57 )
= - 57 . 67 - ( - 57 ) . 34 - 67 . 34 - 67 . 57
= 57 . ( 67 - 67 ) + 34 . ( 67 - 57 )
= 57 . 0 + 34 . 10
= 0 + 340
= 340
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a) (-119).(-125).4.(-8).(-25) = [(-125).(-8)].[(-25).(-4)].(-119) = 1000.100.(-119) = 100000.(-119) = -11900000
b) (-67).(-1)^200.(-8).125.(-1)^2n+1 = -67.1.[(-8).125].(-1) = -67.(-1000).(-1) = 67000 . (-1) = -67000
c) -67.52-48.67 = 67.(-52)-48.67 = 67. (-52-48) = 67.(-100) = -6700
d)42.(-119)+119.(-58) = -42.119+119.(-58)=119.[-42+(-58)] = 119.(-100)=-11900
125 + 26 + 67 - 25
= ( 125 - 25 ) + ( 26 + 67 )
= 100 + 93
= 193
125 + 26 + 67 - 25
= 151 + 67 - 25
= 218 - 25
= 193