Question

dau coroana ex 14 coroana si inima​

Answer 1

21×(36+79)=21*36+21*79= 756+1659=2415

21×(36+79)=21*115=2415

15×(55+75-10)=15*55+15*75-15*10=825+1125-150=1800

15×(55+75-10)=15*120=1800

27×(567-456)=27*567-27*456=15309-12312= 2997

27×(567-456)= 27*111= 2997

135×(13+11+1-20)=135*13+135*11+135-135*20=1755+1485+135-2700=

= 675

135×(13+11+1-20)=135* 5=675

20×(139378-138288)=20×139378 -20×138288= 2787560 - 2765760=

= 21800

20×(139378-138288)=20*1090= 21800

(68+42)×96 = 68*96 +42*96=6528 + 4032=10560

 (68+42)×96 = 110*96=10560