2又1/2÷4又7/15×12.5×0.032 简便计算
1个回答
2又1/2÷4又7/15×12.5×0.032
=5/2×15/67×(12.5×0.032)
=5/2×15/67×2/5
=5/2×2/5×15/67
=15/67
相关问题
7又13/15×4/11+12×1/11+2/11×4/15简便计算,
(-3/17)×12又1/2 ×(-5又2/3 )×(-0.08)=简便计算
用简便方法记算⒈﹙14×15×48﹚÷﹙7×3×16﹚ ⒉ 0.625×7又1/2+5/8×2又1/2-62.5%×2
0.7×1又4/9+2又3/4×﹙﹣15﹚+0.7×5/9-1/4×15
得到正解悬赏50计算:0.7×1又4/9+2又3/4×(-15)+0.7×5/9+1/4×(-15).
递等式计算,能简便就简便.①、1又1/8+(5又1/2-0.35)×0.4 ②、1.5+(7又3/5-2.6)×1又1/
1.用简便方法计算:99又17/18 × (﹣9) 2.﹣4 - [﹣5 +﹙0.2 × 1/3 - 1﹚ ÷ ﹙﹣1又
8又5分之4÷[87+0.625××(2又4分之3-1.15)] 能简便就简便
简便计算:2.5×3.2×12.5 6.3÷1.4 2.5×2.4 15.32×4+4.68÷0.25 2.55×1.5
简便计算 6.2×1.02 1.25 ×99 12.5×32×2.5 4.12-1.78-1.22 4.2÷0.7÷6