6.7+3.3÷4.4+5.6简便
问题描述:
6.7+3.3÷4.4+5.6简便
答
6.7+3.3+4.4+5.6=(6.7+3.3)+(4.4*5.6)=10+10=208.5+1.5×2+1÷0.4
6.7+3.3÷4.4+5.6简便
6.7+3.3+4.4+5.6=(6.7+3.3)+(4.4*5.6)=10+10=208.5+1.5×2+1÷0.4