Question

calculeaza ;
 6x8-19+20=
87-39+3x9=
7x3+65-4x6=
(9x3+47)-3X4=
56+5x9-(4x9)+(6x3)=
231-(2x4x9)=
83-7x8+164=
(84-35)+(6x8+5x0)=
5x(34+28)-4x2=
6x9-7x7=

Answer 1

A. 6×8-19+20=48-19+20=27+20=47 B. 87-39+3×9=87-39+36=48+36=84 C. 7×3+65-4×6=21+65-24=86-24=62 D. (9×3+47)-3×4=(27+47)-12=74-12=62 E. 56+5×9-(4×9)+(6×3)=56+45-(36+18)=100-54=46 F. 231-(2×4×9)=231-(8×9)=231-73=158 G. 83-7×8+164=83-56+164=27+164=191 H. (84-35)+(6×8+5×0)=49+(48×0)=49+48=97 I. 5×(34+28)-4×2=5×62-12=310-12=298 J. 6×9-7×7=54-49=5