решите цепочки примеров

4:2×6:3×5
15:3×4:10×7
3×6:9×1×8
4×3:6×8:4
8×5:10×1×6
10×3:5×2:4
3×2×5:1:10
9×1:3×6:2
20:2:5×9:6

4:2×6:3×5=20
15:3×4:10×7=14
3×6:9×1×8=16
4×3:6×8:4=4
8×5:10×1×6=24
10×3:5×2:4=3
3×2×5:1:10=3
9×1:3×6:2=9
20:2:5×9:6=3