2/9×3/8=1/12
3/7×21=9
3 1/5×15/24=16/5×15/24=6/3=2
5/7×14/25=2/5
3/5×15=3/5×15/1=9
2 1/4×8/15=9/4×8/15=6/5=1 1/5
8200+6700×14/2=55100
1) 6700×14/2=46900
2)8200+46900=55100
( 1823 – k ) + m; если k = 754, m = 258, то:
( 1823 – 754 ) + 258 = 1327
1) 1823 – 754 = 1069
2) 1069 + 258 = 1327
128/y=37
y=128/37
y=...
——————————
128/...=37
37=37