Question

Va rog urgent dau coroană ​

Answer 1

a) 3•27 = 3•(20+7) =60+21=81

4•29=4•(20+9) =80+36=116

2 • 46=2•(40+6) =80+12=92

b) 3•62=3•(60+2) =180+6=186

5•72=5•(70+2) =350+10=360

4•42=4•(40+2) =160+8=168

c) 7•36=7•(30+6) =210+42=252

5•47=5•(40+7) =200+35=235

8•25=8•(20+5) =160+40=200