简算题大全四年级 简算题.docVIP

简算题大全四年级 简算题 导读：就爱阅读网友为您分享以下“简算题”资讯，希望对您有所帮助，感谢您对92的支持! 125÷(50÷8) ＝125÷50×8 ＝125×8÷50 ＝1000÷50 ＝20 7.2×1.02 ＝7.2×(1＋0.02) ＝7.2×1＋7.2×0.02 ＝7.2＋0.144 ＝7.344 9又9/16÷9 ＝(9＋9/16)÷9 ＝9÷9＋9/16÷9 ＝1＋1/16 ＝17/16 (90+1/88)×1/89 ＝(90×88＋1)/88×1/89 ＝[(89+1)×(89-1)＋1]/88×1/89 ＝[89－1＋1]/88×1/89 ＝89/88×1/89 ＝89/88 (1/3-1/4)+(1/4-1/5)+(1/5-1/6) ＝1/3-1/4+1/4-1/5+1/5-1/6 ＝1/3-1/6 ＝1 7.6×1/2÷[1.9-1.9×(1.9-1.9)] ＝7.6×1/2÷(1.9-0) ＝3.8÷1.9 ＝2 1又1/6×1又1/7×1又1/8×1又1/9×1又1/10 ＝7/6×8/7×9/8×10/9×11/10 ＝11/6 3.26×[1÷(1/10-9/100)] ＝3.26×[1÷(10/100-9/100)] ＝3.26×(1÷1/100) ＝3.26×100 ＝326 (2.5+2.5+2.5+2.5)×25×8 ＝(2.5×4)×25×4×2 ＝10×100×2 ＝2000 (6.9×0.125×1.75)÷(2.3×1/8×1/4) ＝6.9×0.125×1.75÷2.3÷1/8÷1/4 ＝6.9÷2.3×0.125×8×1.75×4 ＝3×1×7 ＝21 [5-(0.5×9又1/2+1/2×1/2)]÷8/21 ＝[5-(1/2×19/2＋1/2×1/2)]×21/8 ＝[5-1/2×(19/2+1/2)]×21/8 ＝(5-1/2×10)×21/8 ＝(5-5)×21/8 ＝0 (12又13/25+7又8/17)×2.5+(9又9/17+10又12/25)2又1/2 ＝(12又13/25+7又8/17)×2.5+(9又9/17+10又12/25)×2.5 ＝(12又13/25+7又8/17+9又9/17+10又12/25)×2.5 ＝(23＋17)×2.5 ＝40×2.5 ＝100 1又2/3×[7又5/6+(4.125-4又1/8)-4又5/6] ＝5/3×[7又5/6-4又5/6+(4又1/8-4又1/8)] ＝5/3×(3+0) ＝5 8又17/23+5又1/4-6又17/23+0.75 ＝(8又17/23-6又17/23)+(5.25+0.75) ＝2＋6 ＝8 (5又5/9-0.8+2又4/9)×12.5 ＝(5又5/9+2又4/9-0.8)×12.5 ? ＝(8-0.8)×12.5 ＝8×12.5-0.8×12.5 ＝100-10 ＝90 2.25×3/7×0.4×2又1/3 ＝2.25×0.4×3/7×7/3 ＝0.9×1 ＝0.9 0.91÷4/5+1.25×1.09 ＝0.91×5/4+5/4×1.09 ＝5/4×(0.91+1.09) ＝5/4×2 ＝2.5 9又2000/2001×1949 ＝(10-1/2001)×1949 ＝10×1949－1/2001×1949 ＝19490－1949/2001 ＝10489＋(1-1949/2001) ＝10489＋52/2001 ＝10489又52/2001 24×51/43+51×19/43 ＝24×51/43＋19×51/43 ＝(24+19)×51/43 ＝43×51/43 ＝51 13.76-(7/12+1.76+1又5/12) ＝13.76-[1.76+(7/12+1又5/12)] ＝13.76-1.76-2 ＝12-2 ＝10 19.98×37-199.8×1.9+1998×0.82 ＝199.8×3.7－199.8×1.9＋199.8×8.2 ＝199.8×(3.7-1.9+8.2) ＝199.8×10 ＝1998 0.32×6.7+3.2×0.43-0.32 ＝3.2×0.67+3.2×0.43-3.2×0.1 ＝3.2×(0.67+0.43-0.1) ＝3.2×1 ＝3.2 2.5×12.5×32-32-563 ＝2.5×12.5×4×8－(32+563) ＝(2.5×4)×(12.5×8)－595 ＝10×100－595 ＝1000－595 ＝405 9又3/4-15/19-2/19×2 ＝9又3/4－(15