1)3 3/7 + 1 3/14 * (8 3/5 - 1 3/5) =? 2) 2 5/9 * - вопрос №352041013371314835135225921462938362 от kristiniiiiiii 28.08.2021 06:50

Question

Математика: 1)3 3/7 + 1 3/14 * (8 3/5 - 1 3/5) =? 2) 2 5/9 * 2 1/4 - 6 2/9 * 3/8=? 3) (6 2/5 * 2 11/12 - 16) * 2 1/4=?

kristiniiiiiii · Answer

1. 8 3/5-1 3/5=72). 1 3/14*7=119/14=8 7/14= 8 1/23) 3 3/7+ 8 1/2=24/7+17/2=48/14+119/14=167/14=11 13/141. 2 5/9*2 1/4 =23/9*9/4=23*9/9*4=23/42. 6 2/9* 3/8= 56/9* 3/8=56*3/9*8=7/33.23/4-7/3=69/12-28/12=41/12=3 5/121.6 2/5*2 11/12=56/3= 18 2/32. 18 2/3-16=2 2/33. 2 2/3* 2 1/4= 8/3*9/4=6...