=20,19: [0,5+0,25]+ 80,76
=20,19:0,75+80,76
=26,92+80,76
=107,68
k mình nha
20,19 : 0,5 + 20,19 : 0,25 + 20,19 x 4
=20,19 x 2 + 20,19 x 4 + 20,19 x 4
=20,19 x (2 + 4 +4)
=20,19 x 10
=201,9
\(20,19:0,5+20,19:0,25+20,19.4\)
\(=20,19.2+20,19.4+20,19.4\)
\(=20,19.\left(2+4+4\right)\)
\(=20,19.10\)
\(=201,9\)
\(20,19\div0,5+20,19\div0,25+20,19\times4\)
\(=20,19\times2+20,19\times4+20,19\times4\)
\(=20,19\times\left(2+4+4\right)\)
\(=20,19\times10\)
\(=201,9\)
\(20,19:0,5+20,19:0,25+20,19\times4\)
\(=20,19\times2+20,19\times4+20,19\times4\)
\(=20,19\times\left(2+4+4\right)\)
\(=20,19\times\left(6+4\right)\)
\(=20,19\times10\)
\(=201,9\)
=20,19*2+20,19*4+20,19*4
=20,19*(2+4+4)
=20,19*10
=20,19
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