Question

Activitate in echipa poate cineva sa ma ajute

Answer 1

Răspuns:

a)59×26=

(50+9)×26=

50×26+9×26=

1 300+234=

1 534

b)48×53=

(40+8)×53=

40×53+8×53=

2 120+424=

2 544

c)162×25

(100+60+2)×25=

100×25+60×25+2×25=

2 500+1 500+50=

4 050

d)348×94=

(300+40+8)×94=

3 000×94×40×94+8×94=

28 200+3 760+ 752=

32 714

e)1 364×12=

(1 000+300+60+4)×12=

1000×12+300×12+60×12+4×12=

12 000+3 600+720+48=

16 368

f)2 142×13=

(2 000+100+40+2)×13=

2 000×13+100×14+40+13+2×13=

26 000+1 300+520+26=

27 846

g)41 123×14=

(40 000+1000+100+20+3)×14=

40000×14+1000×14+100×14+20×14+3×14=

560 00+14 000+1 400+280+42=

575 722

h)32 565×21=

(30 000+2000+500+60+5)×21=

30000×21+2000×21+500×21+60×21+5×21=

630 000+42 000+10 500+1 260 +105=

683 865

Explicație pas cu pas:

Sper că te-am ajutat!