\( 6 \times 10 = 60 \)
\( 13 \times 10 = 130 \)
\( 21 \times 10 = 210 \)
\( 35 \times 10 = 350 \)
\( 48 \times 10 = 480 \)
\( 78 : x = 6 \)
\( x = 78 : 6 \)
\( x = 13 \)
\( a : 7 = 12 \)
\( a = 12 \times 7 \)
\( a = 84 \)
\( 308 = 300 + 8 \)
\( 630 = 600 + 30 \)
\( 568 = 500 + 60 + 8 \)
\( 506 \text{ см} = 5 \text{ м} 6 \text{ см} \)
\( 370 \text{ см} = 3 \text{ м} 70 \text{ см} \)
\( 14 \text{ дм} 6 \text{ см} = 146 \text{ см} \)
\( 4 \text{ м} 12 \text{ см} = 412 \text{ см} \)
\( 96 : 6 = 16 \)
\( 7 \times 13 = 91 \)
\( 56 : 4 = 14 \)
\( 81 : 27 = 3 \)
\( 69 : 3 = 23 \)
\( 80 : 16 = 5 \)