Đáp án:
$@kun$
`( -2 )^3 . 16 . ( -125 ) . ( -1 ) ^100`
`=(-8).16.(-125)`
`=(-8).(-125).16`
`=1000.16`
`=16000`
`32 .137 + 31 . 32 - 32 . 6`
`= 32.(137+21-6)`
`= 32.152`
`= 32.100+32.50+32.2`
`= 3200+ 1600+64`
`=4864`
`32 . ( 123 - 247 ) - 132 . ( 32 + 4247 )`
`= 32.123 - 32.247 - 132.32 + 132.4247`
`= 32.(123-247-132) + 132.4247`
`= 32.(-256) + 132.4247`
`= -8192 + 4247.100+4247.30+4247.2`
`= -8192+ 424700+127410+8494`
`=552412`
`31 . 72 + 70 ̣ ( -31 ) - 31 .2`
`=31.72+(-70).31-31.2`
`=31.72-70.31-31.2`
`=31.(72-70-2)`
`=31.0`
`=0`
`25 . ( 32 + 47 ) - 32 . ( 25 + 17 )`
`=25.32+25.47-32.25+32.17`
`=25(32-32+47)+32.17`
`= 25.47 + 32.17`
`= 25.50-25.3+32.10+32.7`
`= 1250-75+320+224`
`= 1719`
Giải thích các bước giải:
