2.4*102*0.32怎么简便计算?

2025-02-27 02:36:29
推荐回答(2个)
回答1:

2.4×102×0.32
=12/5×102×8/25
=(12×102×8)/125
=(96×102)/125
={96×(100+2)}/125
={9600+192}/125
=9792/125

回答2:

2.4X102X0.32
=2.4X100X0.32+2.4X2X0.32
=2.4X30+2.4X2+4.8X0.32
=72+4.8+5X0.32-0.2X0.32
=76.8+1.6-0.064
=78.4-0.1+0.036
=78.336