3.5×[6.8-(1.6+3.6÷0.9)]÷84简便运算怎么做

2026年09月24日 00:30
有2个网友回答
网友(1):

3.5×[6.8-(1.6+3.6÷0.9)]÷84
=3.5÷84×[ 6.8-(1.6+4)]
=0.5÷12×[6.8-5.6]
=0.5×(1.2÷12)
=0.5×0.1
=0.05

网友(2):

3.5×[6.8-(1.6+3.6÷0.9)]÷84
=3.5×[6.8-(1.6+4)]÷84
=3.5×(6.8-5.6)÷84
=3.5×1.2÷84
=0.5×7×0.1×12÷84
=0.5×0.1×84÷84
=0.05×1
=0.05