出一张两个分数乘除法的口算试卷，分子和分母都是两位数，可约分，60道题
- 12/15 × 18/20 =
- 16/18 ÷ 24/27 =
- 20/24 × 30/35 =
- 25/30 ÷ 35/40 =
- 36/45 × 48/54 =
- 40/48 ÷ 56/63 =
- 44/55 × 60/66 =
- 50/60 ÷ 70/80 =
- 60/72 × 84/96 =
- 65/78 ÷ 91/104 =
- 72/90 × 100/110 =
- 80/96 ÷ 112/126 =
- 88/110 × 120/132 =
- 96/115 ÷ 133/152 =
- 100/120 × 140/154 =
- 108/135 ÷ 155/176 =
- 120/144 × 168/192 =
- 125/150 ÷ 175/200 =
- 132/165 × 182/198 =
- 140/168 ÷ 196/220 =
- 150/180 × 210/231 =
- 156/195 ÷ 217/248 =
- 160/192 × 224/252 =
- 175/210 ÷ 245/280 =
- 180/216 × 252/280 =
- 187/234 ÷ 259/296 =
- 200/240 × 280/308 =
- 208/260 ÷ 287/328 =
- 220/264 × 308/336 =
- 225/270 ÷ 315/360 =
- 240/288 × 336/368 =
- 247/309 ÷ 343/392 =
- 250/300 × 350/385 =
- 264/330 ÷ 363/414 =
- 275/330 × 385/423 =
- 288/345 ÷ 399/456 =
- 300/360 × 420/462 =
- 308/385 ÷ 427/488 =
- 320/384 × 448/504 =
- 330/396 ÷ 462/528 =
- 350/420 × 490/539 =
- 360/432 ÷ 504/576 =
- 375/450 × 525/578 =
- 396/495 ÷ 549/628 =
- 400/480 × 560/616 =
- 418/523 ÷ 577/658 =
- 440/528 × 616/678 =
- 450/540 ÷ 630/720 =
- 468/585 × 648/712 =
- 480/576 ÷ 672/768 =
- 495/594 × 693/762 =
- 506/633 ÷ 699/798 =
- 525/630 × 735/808 =
- 540/648 ÷ 756/864 =
- 550/660 × 770/847 =
- 572/715 ÷ 791/904 =
- 600/720 × 840/924 =
- 616/770 ÷ 847/968 =
- 630/756 × 882/970 =
- 660/792 ÷ 924/1056 =
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