计算:0.035×935+0.035+3×0.035+0.07×61×0.5=______.

1个回答

  • 解题思路:此题应根据乘法交换律先计算0.07×61×0.5,即0.07×61×0.5=0.07×0.5×61=0.035×61,然后根据乘法分配律提取0.035进行解答即可.

    0.035×935+0.035+3×0.035+0.07×61×0.5,

    =0.035×935+0.035+3×0.035+0.035×61,

    =0.035×(935+1+3+61)

    =0.035×1000

    =35;

    故答案为:35.

    点评:

    本题考点: 小数的巧算.

    考点点评: 此题属于对乘法交换律和分配律的灵活运用,解答时,应认真审题,然后运用乘法分配律进行解答即可.