a, \(97.13+130.13\)
\(=13\left(97+130\right)\)
\(=13.227\)
\(=2951\)
b, \(86.153-530.8,6\)
\(=86.153-53.10.8,6\)
\(=86.153-53.86\)
\(=86\left(153-53\right)\)
\(=86.100\)
\(=8600\)
trả lời:
a) 97.13 + 130.13
= 13.( 97 + 130 )
= 13. 227
= 2951
b) 86.153 - 530.8,6
= 86.153 - 53.10.8,6
=86. 153 - 53.86
= 86. ( 153 - 53 )
= 86.100
= 8600
học tốt!