17.8*37-178.4*1.9+17.84*82用简便算法计算
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17.8*37-178.4*1.9+17.84*82用简便算法计算17.8*37-178.4*1.9+17.84*82用简便算法计算17.8*37-178.4*1.9+17.84*82用简便算法计算1
17.8*37-178.4*1.9+17.84*82用简便算法计算
17.8*37-178.4*1.9+17.84*82用简便算法计算
17.8*37-178.4*1.9+17.84*82用简便算法计算
17.8*37-178.4*1.9+17.84*82
=17.84x(37-10x1.9+82)
=17.84x100
=1784
原式=17.8(37-19+82)
=17.8*100
=1780
你的题应是:
17.84*37-178.4*1.9+17.84*82
=17.84*37-17.84*19+17.84*82
=17.84*(37-19+82)
=17.84*100
=1784
17.8*37-178.4*1.9+17.84*82用简便算法计算
17.48乘37减174.8乘1.9加17.8乘82=
150-120除以1.4×0.84 简算17又2/5×37-174×1.9+17又2/5×82 简算1999又1991/1999×1/4-1997/1999 简算
计算:17.48×-37+8.74×-88-174.8×1.9
19.98×37-199.8×1.9 1998×0.
20.12×37-201.2×1.9+2012×0.82
巧算1982*37+198.2*1.9+991*125.
19.99*37+1999*0.82-1999.9*1.9=
(-72)-(-37)-(22)-17
65 37 17 ( )
17+27+37=?
17、37、51
63-17+37简便
57*37-17*37怎么简算
17.48*37-174.8*1.9+1.748*820 简算怎样算
19.98*37-199.8*1.9+1998*0.82的简便运算
用简便方法计算:19.98*37-199.8*1.9+1998*0.82
17.48×(-37)+8.74×(-88)-174×1.9怎么简算?