Diones,Caio,walkeny

adicao

100

19+9=

28

200

12+57

69

300

12+75

87

400

10⁵+345,000

445,000

500

1,234+2,456

3690

multiplicacao

100

346x788

272,648

200

246x923=

227,058

300

601x293=

176,093

400

567x388

219996

500

559x370

206,830

mltiplicaocom fracao

100

2/7 x 7/10

1/5

200

1/8 x 1/4

1/32

300

1/2 x 3/7

3/14

400

5/9 x 3/4

3/5

500

3/8 x 10/11

15/44

divisao

100

2/2

1

200

45/3

15

300

24/2

12

400

411/3

137

500

141/6

23.5

tudo

100

3x+2=17

x=5

200

400,000,000+60,000,000+300,000+60,000+8,000

460,368,000

300

9x+145=400

x=28.33...

400

65 x 70

4,550

500

234,567+891,011=

1125578