脱式计算问题大全及答案
更新时间:2021-06-23
类型:小学四年级数学题
题数:100
答:
(1)72÷(73-72÷72) =72÷72 =1(2)(120-28×3)÷4 =36÷4 =9(3)820÷20+46×5 =41+230 =271(4)5×(65-3600÷72) =5×(65-50) =75(5)4200÷(17×6-32) =4200÷70 =60(6)(56-27)&ti
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答:
(1)960-720÷8×9 =960-90×9 =150(2)12×(736-656÷16) =12×(736-41) =8340(3)78×101 =7800+78 =7878(4)400÷25÷4 =400÷100 =4(5)927÷[630÷(34+36)] =927÷[630÷70] =103
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答:
(1)[274-(38+107)]×56 =[274-145]×56 =7224(2)(736÷16+83)×27 =(46+83)×27 =3483(3)(87+16)×(87-16) =103×71 =7313(4)320÷(18+14)×700 =320÷32×700 =7000(5)1848-800÷16×34 =18
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答:
(1)367+300÷12 =367+25 =392(2)848-800÷16×12 =848-600 =248(3)(132+68)×(97-57) =200×40 =8000(4)972÷(720-21×33) =972÷27 =36(5)900÷(450-50×8) =900÷50 =18(6)12×[(61-46)&time
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答:
(1)20 ×42 ÷35=840÷35=24(2)169 -132÷12 =169-11 =158(3)45 ×13÷65 =585÷65 =9(4)435÷ (517 - 488) =435÷29 =15
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答:
(1) 728÷13 +19 =56+19 =75(2) 285÷19×26 =15×26 =390(3) 708÷(86 - 27) =708÷59 =12(4) 98×(72÷24) =98×3 =294
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答:
(1)(285+189) ÷79 =474÷79 =6(2)312 ÷24+215 =13+215 =228(3)264÷24×26 =11×26 =286(4)876 ÷73 ÷4 =12÷4 =3
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答:
1326115219533脱式计算。(1) 442÷26×78 =17×78 =1326(2) 768÷24×36 =32×36 =1152(3) 201-438÷73 =201-6 =195(4) 540÷30+15 =18+15 =33
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答:
(1)2;(2)13;(3)4278;(4)9
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答:
(1) 25×33×4 =(25×4)×33 =100×33 =3300(2) 1328 - 7872÷48 =1328-164 =1164(3) 128+168 +132 =128+(168+132) =128+300 =428(4) 6435÷( 983 - 884) =6435÷99 =65
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答:
(1) 36+42+64+158=(36+64)+(42+158)=100+200=300(2)1600﹣217﹣483, =1600﹣(217+483) =1600﹣700 =900(3)42×(66﹣400÷25) =42×(66﹣16) =42×50 =2100(4) 163×8+137×8 =(163+137)×8 =300×8 =2400(5) 4200÷25÷4 =42
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答:
(1)200+800÷16×30 =200+50×30 =200+1500 =1700(2)420÷[15×(32﹣28)] =420÷[15×4] =420÷60 =7
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答:
①75×5÷75×5=375÷75×5=5×5=25②(80+4)×125=80×125+4×125=10000+500=10500③96+480÷96=96+5=101
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答:
①84÷4-90÷9=21-10=11;②5×11+4=55+4=59;③150-50-30÷5=150-50-6=150-56=94;④380-(640-25×24)=380-(640-600)=380-40=340;⑤336÷(25×2+34)=336÷(50+34)=336÷84=4;⑥(56+13×4)÷12=(56+52)÷12=108&
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答:
(1)400-400÷50=400-80=320(2)38×(480÷16)=38×30=1140(3)130+70×16=130+1120=1250(4)(240+760)÷40=1000÷40=25
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答:
(1)2400÷80+14×12,=30+168,=198;(2)420÷[(205-198)×4],=420÷[7×4],=420÷7÷4,=60÷4,=15;(3)63×73-63×63,=63×(73-63),=63×10,=630;(4)25×44,=25×4×11,=100×11,=
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答:
30÷15+30×15=2+450,=452;(564-18×24)÷12=(564-432)÷12,=132÷12,=11;576÷(33+15)=576÷48,=12;909-[36×(350÷14)].=909-[36×25],=909-900,=9.
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答:
(1)(300+180÷5)×12=(300+36)×12=336×12=4032;(2)600÷[30-(10+5)]=600÷[30-15]=600÷15=40;(3)72÷[2×(105-87)]=72÷[2×18]=72÷36=2.
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答:
(1)960-720÷8×9,=960-720÷8÷9,=960-810,=150;(2)12×(736-656÷16),=12×(736-41),=12×695,=12×(700-5),=12×700-12×5,=(10+2)×700-60,=7000+1400-60,=8340;(3)360÷9+3×21,=40+63,=10
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答:
(1)720÷(200-28×5)=720÷(200-140)=720÷60=12;(2)(15+27)×(55-32)=42×23=966;(3)125+240÷15×12=125+16×12=125+192=317;(4)25×[(112+140)÷3]=25×[252÷3]=25×84=2100.
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