Question

Tính nhanh:75/100 + 3/4 x 29 + 75% x 30 + 0,75 x 40

=

=

=

Answer 1

\(\frac{75}{100}+\frac{3}{4}.29+75\%.30+0,75.40\)

\(=0,75+0,75.29+0,75.30+0,75.40\)

\(=0,75.\left(1+29+30+40\right)\)

\(=0,75.100\)

\(=75\)

Answer 2

=75/100+3/4 x 29 +75/100 x 30 + 75/100 x 40

= 75/100* (30+40)+ 3/4

=3/4*70+3/4

=3/4+3/4 * 70

=70 

viết hơi dài rút ngắn lại nhé viết cho dễ hiểu thôi nha ^_^

Answer 3

=75/100+3/4 x 29 +75/100 x 30 + 75/100 x 40

= 75/100* (30+40)+ 3/4

=3/4*70+3/4

=3/4+3/4 * 70

=70