1.
5,3÷2,4-1 1/12 5 3/10÷2 4/10-1 1/12 53/10÷24/10-1 1/12
----------------------= ------------------------------= ----------------------------=
0,702÷1,3-0,415 0,125 0,125
53/10×10/24-1 1/12 53/24-1 1/12 2 5/24-1 2/24 1 3/24
= --------------------------= --------------------= --------------------= --------------=
0,125 0,125 0,125 0,125
=1 1/8÷0,125=9/8÷125/1000=9/8×1000/125=9/1×125/125=9×1=1
2
7 4/5×3/5+2 4/5÷8 3/4 4 17/25+56/175 4 119/175+56/175
------------------------------= ------------------------= ---------------------------=
0,18÷1,5+2,88 3 3
4 175/175
=-----------------=5/3=1 2/3
3