15.2-1.2÷0.16 ×0.84简算

问题描述:

15.2-1.2÷0.16 ×0.84简算

15.2-1.2÷0.16 ×0.84
=15.2-(1.2÷0.4) ×0.84÷(0.4)
=15.2-3×2.1
=15.2-6.3
=8.9