Question

De la 22 pana la 35 dau coroana si 56 puncte ​

Answer 1

Răspuns:

22.

x-3•137=98

x-411=98 =>x=509

23.

x+227•2=720

x+454=720 =>x=266

24.

x+36:4=195•3

x+9=585 =>x=576

25.

x-165•3=60:2

x-495=30 => 525

26.

987-3•318=

987-954=33

27.

(3•148+2•148)+(3•148-2•148)=

148•5+148=

148•6=888

28.

250•43=10750

252•43=10836

254•43=10922

256•43=11008

258•43=11094

29.

181•15=2715

183•15=2745

185•15=2775

187•15=2805

189•15=2835

30.

134•37=4958

135•37=4995

136•37=5032

31.

184•24=4416

186•24=4464

188•24=4512

32.

253•30=7590

255•30=7650

257•30=7710

33.

244•20=4880

245•20=4900

246•20=4920

247•20=4940

34.

118•60=7080

119•60=7140

120•60=7200

121•60=7260

122•60=7320

35.

(519+8•10)-276=

599-276=323