Question

负三又六分之一乘以负一又七分之五减二又九分之四除以负四又五分之二结果是多少过程也拿来

速度说

Answer 1

(-19/3)*(-12/7)-(22/9)/(-22/5)
=76/7+484/45
=(3420+3388)/315
=21.6126........