四年级数学
时间:2021.02.03 创作:欧阳体 (脱式计算和三位数乘以两位数计算)
脱式计算
2800÷ 100+789= (947-599)+76×6436×(913-276÷23)(93+25×21)×9507÷13×63+498 723-(521+504)÷25384÷12+23×371 (39-21)×(396÷6)57×12-560÷35 848-640÷16×12 1500-32×45 [192-(54+38)]×67138×25×4(13×125)×(3×8) (12+24+80)×50 704×25-509 25×32×12532×(25+125) 178×101-17884×36+64×84 75×99+2×75 83×102-83×298×199 123×18-123×3+85×12350×(34×4)×3 25×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75 (24+16) 178×75×27+19×2 5 31×870+13×310 4×(25×65+25×28) 138×25×4 (13×125)×(3×8)
欧阳体创编 2021.02.03 欧阳美创编 2021.02.03
欧阳体创编 2021.02.03 欧阳美创编 2021.02.03
(12+24+80)×50 25×32×125 32×(25+125) 102×76 58×98 178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199 123×18-123×3+85×123 50×(34×4)×3 25×99+178 79×42+79+79×57 7300÷25÷4 (24+16) 178×
8100÷4÷75280+840÷24×585×(95-1440÷24)58870÷(105+20×2) 80400-(4300+870÷15) 1437×27+27×563 81432÷(13×52+78) 125×(33-1) 37.4-(8.6+7.24-6.6)156×107-7729
37.85-(7.85+6.4)1554÷[(72-58)×3]360÷[(12+6)×5] 500×6-(50×2-80) (105×12-635)÷25 24 500-(240+38×6) [64-(87-42)] ×15 (845-15×3)÷1612×[(49-28)÷7] (45+38-16)×
5) 178-145÷5×6+42 812-700÷11)(58+37)÷5)388+(5000-1000) (58+37)÷(64-9×(9+31×(64-9×158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 (13×125)×(3×8) (12+24+80)×50 178×101-178 84×36+64×8450×(34×4)×325×(24+16) 75×99+2×75 83×102-83×2178×99+178 79×42+79+79×57 7300÷25÷4
欧阳体创编 2021.02.03 欧阳美创编 2021.02.03
欧阳体创编 2021.02.03 欧阳美创编 2021.02.03
12×25 75×24 138×25×4 (13×125)×(3×8) (12+24+80)×50 25×32×125 32×(25+125) 88×125 102×76 178×101-178 84×36+64×84
75×99+2×75 83×102-83×2123×18-123×3+85×12350×(34×4)×3 25×(24+16) 178×99+178 79×42+79+79×57 2356-(1356-721)75×27+19×2531×870+13×310
1235-(1780-1665) 4×(25×65+25×28)120-144÷18+3595÷5) (64-45)(58+37)÷(64-9×347+45×2-4160÷52 120-36×4÷18+35 (58+37)÷5) 330÷(65-50) 128-6×8÷16 (64-9×64×(12+65÷13) 75×0÷5 30+98-4×15 85-4×8+26 636-36÷6×5
280÷(56-16) (75+25)×(19-8) 480÷(6×5) 630-(188+12×2) 800-800÷20÷20 13+24×8672-36+64324-68+32100-36+64548 ×413 = 三位数乘以两位数计算
94 × 822 = 57 × 644= 922× 67 = 26 ×269 = 41 ×549 = 57 ×563 = 766× 79 = 62 ×666 = 21 ×581 = 653 × 57 = 665 × 84 = 545× 67 =
欧阳体创编 2021.02.03 欧阳美创编 2021.02.03
欧阳体创编 2021.02.03 欧阳美创编 2021.02.03
37 ×484 = 844× 98 = 694× 24 = 98 ×155 = 12 ×122 = 369 × 75 = 68 ×752 = 454 × 30 = 100 ×554 = 700 × 51 = 944× 800 = 845× 80 = 512× 200 = 645× 300 = 2 × 600 = 300 ×119 = 242 × 400 = 411× 50 = 324× 20 = 600× 155 755× 600 = 445 × 90 =
20 × 112 = 60× 322 = 94× 300 = 212× 100 = 90 ×236 =
时间:2021.02.03 创作:欧阳体 欧阳体创编 2021.02.03 欧阳美创编 2021.02.03
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