1Ц=10 кг
16ц=160кг
160+35=195кг
1кг=1000г
195*1000=195000г
999999г-195000г=804999г
больше: 999999г
А)=15/11×22/7÷25/7=
=15/11×22/7×7/25=6/5=1 1/5
б)
3 1/5+2 1/4=3 4/20+2 5/20=5 9/20
5 9/20×5=109/20 ×5=109/4=27 1/4
27 1/4-25 5/6=27 3/12-25 10/12=
=26 15/12-25 10/12=1 5/12
А) 10 4/15 + 9 11/15 - 8 1/30 = 11 29/30
1) 10 4/15 + 9 11/15 = 19 15/15 = 20
2) 20 - 8 1/30 = 19 30/30 - 8 1/30 = 11 29/30
б) 19 1/17 - 8 9/17 - 3 15/17 = 6 11/17
1) 19 1/17 - 8 9/17 = 18 18/17 - 8 9/17 = 10 9/17
2) 10 9/17 - 3 15/17 = 9 26/17 - 3 15/17 = 6 11/17
в) (6 7/12 + 8 5/12) - 7 16/21 - 4 6/21 = 2 20/21
1) 6 7/12 + 8 5/12 = 14 12/12 = 15
2) 15 - 7 16/21 = 14 21/21 - 7 16/21 = 7 5/21
3) 7 5/21 - 4 6/21 = 6 26/21 - 4 6/21 = 2 20/21