Thực hiện các phép tính: a) (26,05 + 132,5) +4,28 b) (15,37
Giải thích
a) 26,05+132,5+4,28=158,55+4,28=162,83
b) 15,37−13,37.0,12=2.0,12=0,24
c) −1,2.−324+0,4−1415:123=−1210.−324+25−1915:53=−65.−18+615−1915.35=320+−1315.35=320−3975=−111300
a) 26,05+132,5+4,28=158,55+4,28=162,83
b) 15,37−13,37.0,12=2.0,12=0,24
c) −1,2.−324+0,4−1415:123=−1210.−324+25−1915:53=−65.−18+615−1915.35=320+−1315.35=320−3975=−111300