g,425.7.4-1700.6
=11900-10200
=1700
h,52.39+47.39+39
=2028+1833+39
=3861+39
=3900
i,3.51.16+4.12.87-2.24.38
=2448+4176-1824
=2100
k,6.15.3+49.2.9+36.18
=270+882+288
1440
l,54.37+46.37-54.19-46.19
=1998+1702-1026-874
=1800
m,5.7.77-7.60+49.25-15.42
=2695-420+1225-630
=2275+1225-630
=3500-630
=2870
Gợi ý cho bạn : Đăng từ \(1-->2\) câu để nhận đc câu trả lời nhanh nhất nhe!!!!!!!
\(g,425.7.4-1700.6=425.4.7-1700.6=1700.7-1700.6=1700\left(7-6\right)=1700.1=1700\)
\(h,52.39+47.39+39=\left(52+47+1\right).39=100.39=3900\)
\(i,3.51.16+4.12.87-2.24.38=3.16.51+4.12.87-2.24.38=48.51+48.87-48.38=48.\left(51+87-38\right)=48.100=4800\)
\(k,6.15.3+49.2.9+36.18=15.6.3+49.2.9+36.18=15.18+49.18+36.18=\left(15+49+36\right).18=100.18=1800\)
\(l,54.37+46.37-54.19-46.19=\left(54+46\right).37-\left(54-46\right).19=100.37-8.19=3700-152=3548\)
\(m,5.7.77-7.60+49.25-15.42=2695-420+74-630=1719\)
g,425.7.4-1700.6=(425.4).7-1700.6=1700.7-1700.6=1700
h,52.39+47.39+39=39.(52+47+1)=39.100=3900
i,3.51.16+4.12.87-2.24.38
=(3.16).51+(4.12).87-(2.24).38
=48.51+48.87-48.38
=48.(51+87-38)
=48.100
=4800
k,6.15.3+49.2.9+36.18
=(6.3).15+49.(2.9)+36.18
=18.15+42.18+36.18
=18.(15+49+36)
=18.100=1800
l , 54.37+46.37-54.19-46.19
=37.(54+46)-19.(54+46)
=37.100-19.100
=100.(37-19)
=100.18
=1800
m, 5.7.77-7.60+49.25-15.42
=35.7.11-7.60+7.7.25-15.7.6
=385.7-7.60+7.175-7.90
=7.(385-60+175-90)
=7.410
=2870
