Question

1000除以8加上25乘以3怎样简便计算？

Answer 1

脱式计算
1000÷8+25×3
=125+75
=200

Answer 2

1000÷8+25×3
=125+25x3
=100+25+25x3
=100+25x(1+3)
=100+25x4
=100+100
=200