Question

ex 24. Vă rog frumos e urgent vă rog

Answer 1

a)3/5×7=(3×7)/5=21/5
b) 2/7×6=(2×6)/7=12/7
c) 9×2/15=3×2/5=(3×2)/5=6/5
d) 4/5×3/8=1/5×3/2=(1×3)/(5×2)=3/10
e) 7/9×3/10=7/3×1/10=(7×1)/(3×10)=7/30
f) 7/11×3/4=(7×3)/(11×4)=21/44
g) 5/18×7/10=1/18×7/5=(1×7)/(18×5)=7/90
h) 3/20×5/6=1/4×1/2=(1×1)/(4×2)=1/8
i) 12/25×5/8=6/5×1/4=(6×1)/(5×4)=6/20
j) 16/25×35/48=1/5×7/3=(1×7)/(5×3)=7/15