计算:25 × 4 + 25 × 6 = ?
300
350
400
250
计算:36 × 99 = ?
3636
3664
3600
3564
计算:125 × 8 = ?
1200
1600
1400
1000
计算:48 × 5 + 48 × 5 = ?
520
480
540
500
计算:75 × 4 = ?
320
360
300
340
计算:64 × 25 = ?
1750
1650
1600
1700
计算:50 × 12 = ?
640
600
660
620
计算:99 × 7 = ?
693
700
707
714
计算:125 × 16 = ?
2000
2300
2100
2200
计算:88 × 5 = ?
450
440
460
470