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(-12)(-8)(-125)
=(-12).1000
=-12000
51.134-134-134.48
=134(51-1-48)
=134.2
=268
45(-24)+(-10)(-12)
=2.45.(-12)+(-10)(-12)
=(-12)(90-10)
=(-12)80
=-960
![](https://rs.olm.vn/images/avt/0.png?1311)
1: \(=-24\left(45-5\right)=-24\cdot40=-960\)
2: \(=-134\left(1-51+48\right)=-134\cdot\left(-2\right)=268\)
3: \(=124\left(1-52+47\right)=124\cdot\left(-3\right)=-372\)
![](https://rs.olm.vn/images/avt/0.png?1311)
`@` `\text {Ans}`
`\downarrow`
`a)`
`(-134) + 51.134 + (-134).48`
`= 134*(-1 + 51 - 48)`
`= 134*2`
`= 268`
`b)`
`(-41) . ( 59+2 ) + 59.(41-2)`
`= (-41)*59 - 41*2 + 59*41 + 59*2`
`= [(-41)*59 + 41*59] + (-41*2 + 59*2)`
`= 0 + 2(-41+59)`
`= 18`
`c)`
`369.(-2) - 41.82`
`= 41*9*(-2) - 41*82`
`= -41*(9*2 +82)`
`= -41*(18+82)`
`= -41*100`
`= -4100`
`d)`
`( 135 - 35) . (-37)+ 37.(-42 - 58)`
`= 100*(-37) + 37*(-100)`
`= 37*(-100 - 100)`
`= 37*(-200)`
`= -7400`
`@` `\text {Kaizuu lv uuu}`
a: =-134(1-51+48)
=-134*(-2)=268
b: =-41*59-41*2+59*41-59*2
=-41*2-59*2=-200
d: =100*(-37)+37(-100)
=100(-37-37)
=-7400
![](https://rs.olm.vn/images/avt/0.png?1311)
a: =-45*24+120
=-1080+120
=-960
b: =134(-1+51-48)
=134*2
=268
c: =-41*59-41*2+59*41-59*2
=-2(41+59)
=-200
![](https://rs.olm.vn/images/avt/0.png?1311)
1: =20*(-4)+24(-30)
=-80-720=-800
2: =-13*57+13*32+57*13-57*45
=13*32-57*45=-2149
3: =-12*8*125
=-12*1000=-12000
4: =(-134)(1-51+48)
=(-134)*(-2)=268
5: =(-24)(45-5)=40*(-24)=-960
![](https://rs.olm.vn/images/avt/0.png?1311)
(-134)+51x134+(-134)x48
= (-1)x134+51x134+134x(-48)
= 134x[(-1)+51+(-48)]
=134x[(-49)+51]
=134x2= 268
![](https://rs.olm.vn/images/avt/0.png?1311)
(-134)+51×134+(-134)×48
=-1 x 134 + 51 x 134 + 134 x (-48)
= 134 x ( -1 + 51- 48)
= 134 x 2
= 268
0,214
(−134)+51.134+(−134).48(−134)+51.134+(−134).48
=134.(−1)+51.134+134.(−48)=134.(−1)+51.134+134.(−48)
=134[(−1)+51(−48)]
=134[(−1)+51(−48)] =134.2
=\(168\)