解题思路:①把10.1看作10+0.1,运用乘法分配律简算;
②把32看作8×4,运用乘法结合律简算;
③运用乘法分配律简算.
①6.2×10.1,
=6.2×(10+0.1),
=62+0.62,
=62.62;
②1.25×32×0.25,
=1.25×8×4×0.25,
=(1.25×8)×(4×0.25),
=10×1,
=10;
③35.4×44.2-35.3×44.3,
=(35.4-35.3)×44.3,
=0.1×44.3,
=4.43.
点评:
本题考点: 运算定律与简便运算;小数四则混合运算.
考点点评: 完成本题要注意分析式中数据,运用合适的简便方法计算.