(126*13,8)/(12,6*1,38)
=100
( 126 × 13,8 ) ÷ ( 12,6 × 1,38 ) = 100. 1) 126 × 13,8 = 1 738,8; 2) 12,6 × 1,38 = 17, 388; 3) 1 738,8 ÷ 17,388 = 100.
(126*13,8)/(12,6*1,38)=100 1)126*13,8=1738,8 2)12,6*1,38=17,388 3)1 738,8*17,388=100