Question

ut:
x - 509 = 143
980 - m = 691
452 - m = 157
x-273 = 191
X-689 = 197
628 - m = 250
764 - m = 520
x - 113 = 124​

Answer 1

Răspuns:

x=143+509=652

980-691=m

m=289

452-175=m

m=277

x=191+273=464

x=197+689=886

628-250=m

m=378

764-520=m

m=244

x=124+113=237

Explicație pas cu pas:

Answer 2

Răspuns:

Aflăm termenul necunoscut:

x-509=143

x=143+509

x=652

v:652-509=143

980-m=691

m=980-691

m=289

v:980-289=691

452-m=157

m=452-157

m=295

v:452-295=157

x-273=191

x=191+273

x=464

v:464-273=191

x-689=197

x=197+689

x=886

v:886-689=197

628-m=250

m=628-250

m=378

v:628-378=250

764-m=520

m=764-520

m=244

v:764-244=520

x-113=124

x=124+123

×=237

v:237-113=124