Пошаговое объяснение:
90÷7×2=25,72;
2/30×3/5=6/150=1/25;
2/7×5/2=5/7
130÷100×20=26
11/3:100=11/3×1/100=11/300; 11/300×110=1210/300=4 1/30
90*2/7 = 180/7 = 25целых 5/7
2/30 * 3/5 = 2/10 * 1/5 = 2/50 = 1/25 или 0,04
2целых 1/2 * 2/7 = 5/2 * 2/7 = 5/1 * 1/7 = 5/7
130:100*20 = 1,3*20 = 26
3целых 2/3 : 100 * 110 = 11/3 : 100 * 110 = 11/3 * 1/100 * 110 = 11/300 * 110 = 11/30 * 11 = 121/30 = 4целых 1/30
Пошаговое объяснение:
90÷7×2=25,72;
2/30×3/5=6/150=1/25;
2/7×5/2=5/7
130÷100×20=26
11/3:100=11/3×1/100=11/300; 11/300×110=1210/300=4 1/30
Пошаговое объяснение:
90*2/7 = 180/7 = 25целых 5/7
2/30 * 3/5 = 2/10 * 1/5 = 2/50 = 1/25 или 0,04
2целых 1/2 * 2/7 = 5/2 * 2/7 = 5/1 * 1/7 = 5/7
130:100*20 = 1,3*20 = 26
3целых 2/3 : 100 * 110 = 11/3 : 100 * 110 = 11/3 * 1/100 * 110 = 11/300 * 110 = 11/30 * 11 = 121/30 = 4целых 1/30