А)( 21,2544:0,9 + 1,02*3,2 ): 5,6 ; б)4,36: (3,15 + 2,3 ) + ( 0,792 – 0,78 )* 350.
1)3.15+2.3=5.45 2)0.792-0.78=0.012 3)4.36:5.45=0.8 4)0.012*350=4.2 5)0.8+4.2=5а)( 21,2544:0,9 + 1,02*3,2 ): 5,6 ;
а)(21,2544;0,9+1,02*3,2):5,6=4,8
1) 21,2544:0,9=23,616
2) 1,02*3,2=3,264
3) 23,616+3,264=26,88
4) 26,88:5,6=4,8
б)4,36/(3,15+2,3)+(0,792-0,78)*350=5
1)3.15+2.3=5.45
2)0.792-0.78=0.012
3)4.36:5.45=0.8
4)0.012*350=4.2
5)0.8+4.2=5