tính
a) 125 . (-24)+ 24 .225
b) 26 . (-125) - 125 . (-36)
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\(125.\left(-24\right)+24.225\)
\(=\left[\left(-125\right)+225\right].24\)
\(=100.24=2400\)
~ Hok tốt ~
\(26.\left(-125\right)-125.\left(-36\right)\)
\(=26.\left(-125\right)+\left(-125\right).\left(-36\right)\)
\(=\left[26+\left(-36\right)\right].125\)
\(=\left(-10\right).125=-1250\)
~ Hok tốt ~
125 . ( - 24 ) + 24 . 225
= -125.24+24.225
=24.(-125 + 225)
=24.100 = 2400
a) 125.(-24)+24.225
=(-125).24+24.225
=24.[(-125)+225]
=24.100=2400
b) 26.(-125)-125.(-36)
=(-26).125-125.(-36)
=125[(-26)-(-36]
=125.10
=1250
các bạn cho mk vài li-ke cho tròn 980 với
1. Tính nhanh:
a) \(125.\left(-24\right)+24.225\)
= \(-125.24+24.225\)
\(=24\left(-125+225\right)\)
\(=24\) . \(100\)
= \(2400\)
b) \(26.\left(-125\right)-125.\left(-36\right)+125.\left(-7\right)\)
\(=-26.125-125.\left(-36\right)+125.\left(-7\right)\)
\(=125\left[-26-\left(-36\right)+\left(-7\right)\right]\)
\(=125.3\)
\(=375.\)
a, \(125\cdot\left(-24\right)+24\cdot225\)
\(=\left(-125\right)\cdot24+24\cdot225\)
\(=24\cdot\left[\left(-125\right)+225\right]\)
\(=24\cdot100\)
\(=2400\)
b, \(26\cdot\left(-125\right)-125\cdot\left(-36\right)+125\cdot\left(-7\right)\)
\(=\left(-26\right)\cdot125-125\cdot\left(-36\right)+125\cdot\left(-7\right)\)
\(=125\cdot\left[\left(-26\right)+36-7\right]\)
\(=125\cdot3\)
\(=375\)
a)125.(-24) + 24.225
= 125. [(-24) + 24].225
= 125.0.225
= 0.
1: \(=-26\cdot125+125\cdot36=125\cdot10=1250\)
b: \(=24\left(-125+225\right)=24\cdot100=2400\)
c: \(=42+58+19-19=100\)
a. \(125.\left(-24\right)+24.225\)
\(=24.\left(-125+225\right)\)
\(=24.100\)
\(=2400\)
b. \(26.\left(-125\right)-125.\left(-36\right)+125.\left(-7\right)\)
\(=\left(-26\right).125-125.\left(-36\right)+125.\left(-7\right)\)
\(=125.\left[\left(-26\right)-\left(-36\right)+\left(-7\right)\right]\)
\(=125.3\)
\(=375\)
a: =34x(-100)=-3400
b: =41(-76-24)=-4100
c: =-24(125-225)=2400
d: =26(-237+137)=-2600
e: =25(-63+23)=25x(-40)=-1000
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
a) \(A=125\left(-24\right)+24.225\)
\(=24\left[\left(-125\right)+225\right]\)
\(=24.100=2400\)
b) \(B=26\left(-125\right)-125\left(-36\right)\)
\(=125\left[\left(-26\right)-\left(-36\right)\right]\)
\(=125.10=1250\)
c) \(C=25\left(75-45\right)-75\left(45-25\right)\)
\(=25.75-25.45-75.45-75.25\)
\(=\left(25.75-75.25\right)-25.45-75.45\)
\(=-25.45-75.45\)
\(=45\left(-25-75\right)\)
\(=45\left(-100\right)=-4500\)
a, \(125\times\left(-24\right)+24\times255=3120\)
\(b,26\times\left(-125\right)-125\times\left(-36\right)=1250\)
a=2400
b=1250