混合运算公式大全
在有括号的算式里,要先算小括号里面的,再算中括号里面的。
例如:(10.8-4.5)×0.32 10.8+4.5×(0.32 ÷0.2)
=6.3×0.32 =10.8+4.5×1.6
=2.016 =10.8+7.2
=18
【(10.8+4.5)×0.32 】÷0.2
=【15.3×0.32 】÷0.2
=4.896÷0.2
=24.48
在有括号的算式里,要先算小括号里面的,再算中括号里面的。
例如:(10.8-4.5)×0.32 10.8+4.5×(0.32 ÷0.2)
=6.3×0.32 =10.8+4.5×1.6
=2.016 =10.8+7.2
=18
【(10.8+4.5)×0.32 】÷0.2
=【15.3×0.32 】÷0.2
=4.896÷0.2
=24.48