小学整数、小数四则运算50题附答案

2022-03-21 20:43:17 文档大全网 [ 字体：小中大 ] [ 阅读： ]

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四则运算,小数,整数,答案,小学

整数、小数四则运算、简便运算题

175－75÷25 68＋35×13 725－（125＋237） =175-3 =68+455 =725-362 =172 =523 =363 （114＋166）÷35 432÷（9×8） 189－60＋40 =280÷35 =432÷72 =129+40 =8 216＋305÷5 =216+61 =277 102×99 =102×(100-1) =102×100-102 =10200-102 =10098

382×101-382 =382×(101-1) =382×100 =38200

0.175÷0.25×4 =0.7×4 =2.8 =6 47＋236＋64 =47+(236+64) =47+300 =347 8+2×125 =8+250 =258 4×60×50×8 =(4×50) ×(60×8) =200×480 =96000 0.175÷0.25÷0.4 =0.175÷(0.25×0.4) =0.175÷0.1 =1.75 1

=169 5+25×44 =5+25×(40+4) =5+25×40+25×4 =5+1000+100 =1105 645-180-245 =645-245-180 =400-180 =220 35×8+35×6-4×35 =35×(8+6-4) =35×10 =350 200÷［（172－72）÷25］ =200÷[100÷25] =200÷4 =50

630×［840÷（240－212）］ 800÷25 2000÷125 =630×[840÷28] =800÷100×4 =2000÷1000×8 =630×30 =8×4 =2×8 =18900 =32 =16 25×63×4 9000÷125 99×11 =(25×4) ×63 =9000÷1000×8 =(100-1) ×11 =100×63 =9×8 =1100-11 =6300

794－198 =794-200+2 =594+2 =596 97×360＋3×360 =360×(97+3) =360×100 =36000 2800÷ 100＋789 =28+789 =817

240×78÷（154-115） =240×78÷39 =240×(78÷39) =240÷2 =480

=72 =1089 68×25 72×125 =17×4×25 =9×8×125 =17×(4×25) =9×(8×125) =17×100 =9×1000 =1700 =9000 124×25－25×24 =25×(124-24) =25×100 =2500

75÷〔138÷（100-54）〕 85×(95－1440÷24) =75÷[138÷46] =85×(95-60) =75÷3 =85×35 =25 =2975 80400－(4300＋870÷15) 1437×27＋27×563 =80400-(4300+58) =27×(1437+563) =80400-4358 =27×2000 =76042 =54000 2

[75-（12+18）]÷15 (6.8-6.8×0.55)÷8.5 7.2÷0.8-1.2×5 =[75-30] ÷15 =(6.8-3.74) ÷8.5 =9-6 =45÷15 =3.06÷8.5 =3 =3 =0.36

0.12× 4.8÷0.12×4.8 95÷（64-45） 6.5×（4.8-1.2×4） =(0.12÷0.12) ×4.8×4.8 =95÷19 =6.5×(4.8-4.8) =1×4.8×4.8 =5 =6.5×0 =0 =23.04

25×32×125 7300÷25÷4 8100=(25×4) ×(125×8) =7300÷(25×4) =100×1000 =7300÷100 =100000 =73 32×(25+125) 78×101－78 =4×8×25+4×8×125 =78×(101-1) =800+4000 =78×100 =4800 =7800

98×199 75×99+2×75 83=98×(200-1) =75×(99+2) =19600-98 =75×101 =19502 =75×(100+1) =7500+75 =7575 3

÷4÷75 =8100÷(4×75) =8100÷300 =27

84×36+64×84 =84×(36+64) =84×100 =8400 ×102－83×2 =83×(102-2) =83×100 =8300