脱式计算能简算的尽量简算 0.125乘3⼀4加1⼀8乘10.25减1.25%乘10 201乘95⼀

2025-06-26 23:44:30
推荐回答(2个)
回答1:

回答2:

0.125x3/4+1/8x10.25-1.25%x10
=0.125x0.75+0.125x10.25-0.125x1
=0.125x(0.75+10.25-1)
=0.125x10
=1.25

201x95/202
=(202-1)x95/202
=202x95/202-1x95/202
=95-95/202
=94又202分之107