50 x 62

(a)  

10% de 550

(a)  

80% de 120

(a)  

5% de 210

(a)  

30% de 600

(a)  

70 / 0,4

(a)  

3% de 680

(a)  

70% de 490

(a)  

30% de 520

(a)  

80% de 370

(a)  

5% de 450

(a)  

39 x 50

(a)  

160 / 0,5 =

(a)  

385 : 100 =

(a)  

63 x 25 =

(a)  

20% de 810 =

(a)  

10% de 620 =

(a)  

50% de 280 =

(a)  

340 : 25 =

(a)  

10% de 860 =

(a)  

360 / 5 =

(a)  

240 / 8 =

(a)  

25% de 220 =

(a)  

15 x 45 =

(a)  

25% de 640 =

(a)  

4% de 650 =

(a)  

6 x 25 =

(a)  

9 x 40 =

(a)  

0,005 x 60 =

(a)  

150 x 0,25 =

(a)  

74 x 20 =

(a)  

20% de 790 =

(a)  

2% de 220 =

(a)  

1800 : 20 =

(a)  

128 : 1,25 =

(a)  

4% de 900 =

(a)  

410 : 10 =

(a)  

200 / 0,66 =

(a)  

840 / 4 =

(a)  

25% de 430 =

(a)  

90% de 700 =

(a)  

1020 : 15 =

(a)  

140 / 0,25 =

(a)  

80 x 0,25 =

(a)  

25% de 940 =

(a)  

160 x 0,5 =

(a)  

5% de 460 =

(a)  

75% de 600 =

(a)  

30 x 16 =

(a)  

180 / 8 =

(a)  

351 : 10 =

(a)  

80 x 0,75 =

(a)  

46 x 8 =

(a)  

500 : 10 =

(a)  

75% de 660 =

(a)  

150 x 1,33 =

(a)  

120 / 0,5 =

(a)  

4% de 350 =

(a)  

2% de 580 =

(a)  

75% de 140 =

(a)  

4% de 330 =

(a)  

5% de 130 =

(a)  

5 x 8 =

(a)  

20% de 700 =

(a)  

25% de 700 =

(a)  

4% de 200 =

(a)  

25 x 83 =

(a)  

2% de 980 =

(a)  

1% de 560

(a)  

50 x 87 =

(a)  

80 : 16 =

(a)  

30 x 30 =

(a)  

66 : 11 =

(a)  

32 : 4 =

(a)  

708 : 12 =

(a)  

10% de 110 =

(a)  

80% de 600 =

(a)  

24 x 4 =

(a)  

20% de 740 =

(a)  

455 : 5 =

(a)  

50% de 580 =

(a)  

120 / 0,5 =

(a)  

260 / 1,33 =

(a)  

66% de 210 =

(a)  

25% de 420 =

(a)  

7 x 9 =

(a)  

34 : 17 =

(a)  

35 x 9 =

(a)  

33 x 20 =

(a)  

410 : 100 =

(a)  

33% de 600

(a)  

80% de 160 =

(a)  

11 x 43 =

(a)  

50 x 76 =

(a)  

4% de 560 =

(a)  

60% de 190 =

(a)  

50 - 34 =

(a)  

60 x 0,75 =

(a)  

17 x 50 =

(a)  

75% de 400 =

(a)  

40% de 510 =

(a)  

360 : 20 =

(a)  

2% de 160 =

(a)  

9% de 760 =

(a)  

50% de 240 =

(a)  

40 : 0,33 =

(a)  

10% de 830 =

(a)  

1,5 x 120 =

(a)  

5% de 120 =

(a)  

70% de 360 =

(a)  

20% de 920 =

(a)  

0,4 x 7 =

(a)  

1175 : 25 =

(a)  

25% de 200 =

(a)  

520 : 10 =

(a)  

150 / 0,25 =

(a)  

4% de 370 =

(a)  

2% de 910 =

(a)  

75% de 800 =

(a)  

80% de 260 =

(a)  

580 / 25 =

(a)  

4% de 300 =

(a)  

32 x 50 =

(a)  

15 x 19 =

(a)  

25% de 36 =

(a)  

4% de 840 =

(a)  

30% de 180 =

(a)  

90% de 600 =

(a)  

2% de 730 =

(a)  

5% de 440 =

(a)  

28 x 65 =

(a)  

17 x 20 =

(a)  

530 : 10 =

(a)  

36 : 20 =

(a)  

1235 : 10 =

(a)  

0,48 / 100 =

(a)  

1% de 320 =

(a)  

75 / 0,01 =

(a)  

40% de 410 =

(a)  

320 / 10 =

(a)  

10% de 340 =

(a)  

2,5 x 25 =

(a)  

70% de 600 =

(a)  

50% de 170 =

(a)  

60 x 46 =

(a)  

10% de 230 =

(a)  

33% de 120 =

(a)  

360 / 15 =

(a)  

75% de 900 =

(a)  

1230 / 50 =

(a)  

5% de 510 =

(a)  

1% de 350 =

(a)  

14 x 8 =

(a)  

100 - 29 =

(a)  

40% de 170 =

(a)