四年级数学
(脱式计算和三位数乘以两位数计算)
脱式计算
2800÷ 100+789=
723-(521+504)÷25
1500-32×45 [
704×25-509
947-599)+76×64 384÷12+23×371 192-(54+38)]×6725×32×125 36×(913-276÷23) (93-21)×(396÷6)138×25×4 32×(25+125) +25×21)×9 57×12-560÷35 (13×125)×(3×8) 178 507÷13×63+498 -640÷16×12 (12+24+80)×5084×36+64×84 ( (39 848 178×101-
75×99+2×75 83×102-83×2 98×199 123×18-123×3+85×123 50×(34×4)×3
25×(24+16)
75×27+19×2 5
(12+24+80)×50
84×36+64×84
178×99+178 31×870+13×310 25×32×125 75×99+2×75 79×42+79+79×57 4×(25×65+25×28) 32×(25+125) 83×102-83×2 7300÷25÷4 138×25×4 102×76 58×98 98×199 8100÷4÷75 (13×125)×(3×8) 178×101-178 123×18-123×3+85×123
50×(34×4)×3 25×(24+16) 178×99+178 79×42+79+79×57 7300÷25÷4
8100÷4÷75 280+840÷24×5 85×(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
(45+38-16)×24 500-(240+38×6) [64-(87-42)] ×15 (845-15×3)÷16 12×[(49-28)÷7]
(58+37)÷(64-9×5) 178-145÷5×6+42 812-700÷(9+31×11) (58+37)÷(64-9×5) 388+(5000-1000)
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+64×84 50×(34×4)×3 25×(24+16)
75×99+2×75 83×102-83×2 178×99+178 79×42+79+79×57 7300÷25÷4
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 83×102-83×2 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 2356-(1356-721) 75×27+19×25 31×870+13×310
1235-(1780-1665) 4×(25×65+25×28) 120-144÷18+35 95÷(64-45) (58+37)÷(64-9×5)
347+45×2-4160÷52 120-36×4÷18+35 (58+37)÷(64-9×5) 330÷(65-50) 128-6×8÷16
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+24×8 672-36+64 324-68+32 100-36+64 548 × 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 =
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
411 × 50 = 324
20 × 112 = 60
× 300 = 2 × 20 = 600 × 322 = 94 × 600 = 300 × 155 755 × 300 = 212 × 119 = 242 × 600 = 445 × 100 = 90 × 400 = × 90 = × 236 =
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