183 × 36 =
285 × 15 =
158 × 61 =
409 × 81 ≈
105 × 21 ≈
463 × 42 ≈
270 ÷ 90 =
360 ÷ 40 =
180 ÷ 30 =
623 ÷ 20 =
430 ÷ 30 =
192 ÷ 90 =
152 ÷ 76 =
136 ÷ 34 =
280 ÷ 70 =
135 ÷ 15 =
399 ÷ 57 =
160 ÷ 20 =
84 ÷ 14 =
504 ÷ 84 =
245 ÷ 49 =
26 × 2 =
52 × 7 =
79 × 7 =
342 ÷ 6 =
564 ÷ 6 =
176 ÷ 8 =
3 × 700 =
3 × 870 =
7 × 350 =
2709 ÷ 43 =
855 ÷ 57 =
1536 ÷ 24 =
415 × 83 =
312 ÷ 78 =
592 × 74 =
2820 ÷ 94 =
1302 × 42 =
343 × 7 =
873 × 62 =
235 ÷ 16 =
353 ÷ 45 =
616 ÷ (385 ÷ 55)=
612 × 882 ÷ 98=
64 × 208 ÷ 52=
92 × 24 - 125=
19 × 39 + 734=
47 × 196 ÷ 98=