12道简便运算加答案六年级的

12道简便运算加答案六年级的

32×125×25
=4×8×125×25
=（4×25）×（8×125）
=100×1000
=100000

9048÷26
=（7800+1248）÷26
=7800÷26+1248÷26
=300+48
=348

2881÷ 43
=（1290+1591）÷ 43
=1290÷43+1591÷43
=30+37
=67

3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)

=42.3×(4x0.4x7.5-1.25x4x0.4)

=42.3×[4×0.4×(7.5-1.25)]

=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=423

1.8+18÷1.5-0.5×0.3
=1.8+12-0.15

=13.8-0.15
=13.65

6.5×8+3.5×8-47
=52+28-47 =80-47
=33

(80-9.8)×5分之2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76

8×7分之4÷[1÷(3.2-2.95)]
=8×4/7÷[1÷0.25]

=8×4/7÷4
=8/7

2700×（506－499）÷900
=2700×7÷900

=18900÷900
=21

33.02－（148.4－90.85）÷2.5
=33.02－57.55÷2.5
=33.02－23.02
=10

（1÷1－1）÷5.1
=（1－1）÷5.1
=0÷5.1
=0

18.1＋（3－0.299÷0.23）×1
=18.1＋1.7×1
=18.1＋1.7
=19.8