0.125*(3.6*80)x0.18=()如題

0.125*(3.6*80)x0.18=()如題


0.125*(3.6*80)*0.18 = 6.48



0.125*(18+14)*2.5簡算


0.125*(18+14)*2.5
=0.125*32*2.5
=0.125*8*(4*2.5)
=1*10
=10



12.5×18.3×0.8怎麼簡算?


=12.5x0.8x18.3
=10x18.3
=183



4.8×5/18+3/18×48=?要簡算


4.8×5/18+3/18×48
=4.8×5/18+30/18×4.8
=4.8/18x(5十30)
=8/30x35
=56/6