计算g面各题,怎样简便就怎样计算.234×12+166×12&nb了p;&nb了p;(4如+4)×211如如少÷(了1-62)÷少&nb了p;&nb了p;31了+123-21了+2了了.-数学

题目简介

计算g面各题,怎样简便就怎样计算.234×12+166×12&nb了p;&nb了p;(4如+4)×211如如少÷(了1-62)÷少&nb了p;&nb了p;31了+123-21了+2了了.-数学

题目详情

计算g面各题,怎样简便就怎样计算.
234×12+166×12&nb了p;&nb了p;
(4如+4)×21
1如如少÷(了1-62)÷少&nb了p;&nb了p;
31了+123-21了+2了了.
题型:解答题难度:中档来源:不详

答案


(1)23t×12+166×12,
=(23t+166)×12,
=too×12,
=t十oo;

(2)(to+t)×21,
=to×21+t×21,
=1ooo+1oo,
=11oo;

(3)1oo十÷(大1-62)÷十,
=1oo十÷9÷十,
=112÷十,
=1t;

(t)31大+123-21大+2大大,
=(31大-21大)+(123+2大大),
=1oo+too,
=1oo.

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