Simplemente puedes calcular 0,24×1,2×1500,8×0,9÷0,8×0,99×4,38 12×98 8,12×26,4×(0,65438.
=(0,24×30)×(1,2×5)
=7,2×6
=43,2
0,8×0,9÷0,8×0,9
=(0,8÷0,8)×(0,9×0,9)
=1×0,81
=0,81
9,9×4,3
=10×4,3-0,1×4,3
=43-0,43
=42,57
8,12 ×98 8,12×2
=8,12×(98 2)
=8,12×100
=812
6,4×(0,125 12,5)
=0,8×8×(0,125 12,5)
=0,8×(8×0,125 8×12,5)
=0,8×(1 100)
=0,8×1 0,8×100
=0,8 80
=80,8
4,2×75÷25
=4,2×(75÷25)
=4,2×3
=12,6