(1)3/4+9又3/4+99又3/4+999又3/4 (2)(1/2-0.5)÷37+24×(7

问题描述:

(1)3/4+9又3/4+99又3/4+999又3/4 (2)(1/2-0.5)÷37+24×(7
(1)3/4+9又3/4+99又3/4+999又3/4
(2)(1/2-0.5)÷37+24×(7/8-1/3)
(3)(16又7/8÷1.6875+2又1/5)×10/61
(4)(1/6+0.875)×(1-1/3÷1/3)
(5)【3/4÷(4/5+1/4)-4/7】×9/11
(6)137×1997/1998
(7)57.5-14.25-15又3/4
(8)1/7×102.31+40又6/7×102.31
(9)2/5÷【5/8×(9/10+1/6)】
(10)
(5又2/5-1.8)÷【(1.15+13/20)×1又2/3】
(11)
【37.5+(1/5+1/3)×45】÷(7.05+6.45)
注:每一个算式都要写梯等事,发图也行,.“【”和“】”是中括号,越快越好,不要只是结果还要有过程,

⑴=(9+99+999)+3/4×4=1110⑵=1÷37+24×13/24=13又1/37⑶=(10+2又1/5)×10/61=61/5×10/61=2⑷=(1/6+0.875)×(1-1)=0⑸=(3/4÷21/20-4/7)×9/11=(5/7-4/7)×9/11=1/7×9/11=9/77⑹=136又1861/1998⑺=57...⑴=(9+99+999)+3/4×4 =1110 ⑵=1÷37+24×13/24 =13又1/37 ⑶=(10+2又1/5)×10/61 =61/5×10/61 =2 ⑷=(1/6+0.875)×(1-1) =0 ⑸=(3/4÷21/20-4/7)×9/11 =(5/7-4/7)×9/11 =1/7×9/11 =9/77 ⑹=136又1861/1998 ⑺=57.5-(14.25+15.75) =57-30 =27.5 ⑻=102.31×(1/7+40又6/7) =102.31×41 =4194.71 ⑼=2/5÷(5/8×64/60) =2/5÷(5/8×16/15) =2/5÷2/3 =3/5 ⑽=3.6÷(36/20×5/3) =3.6÷3 =1.2 (11)=(37.5+8/15×45)÷13.5 =(37.5+24)÷13.5 =61.5÷13.5 =4又5/9没事第一个过程其实有点省略,可以有一个=(10-1+100-1+1000-1)+3=(10+100+1000)-3+3的过程