6.3×9.8+0.63+0.63的简便运算是什么呀?
问题描述:
6.3×9.8+0.63+0.63的简便运算是什么呀?
答
原式=0.63*(98+1+1)=0.63*100=63.
答
6.3*(10-0.1-0.1)+0.63+0.63
答
6.3×9.8+0.63+0.63
=0.63×98+0.63+0.63
=0.63×100
=63
答
6.3×9.8+0.63+0.63
=6.3*9.8+6.3*0.1+6.3*0.1
=6.3*(9.8+0.1+0.1)=63.*10=63