1. 直接写出得数。
$140 + 477 = $
$216 - 159 = $
$381 - 219 = $
$227 - 114 = $
$308 - 198 = $
$303 - 242 = $
$140 + 477 = $
617
$402 + 240 = $642
$44×2 = $88
$9×434 = $3906
$216 - 159 = $
57
$394 + 121 = $515
$2×32 = $64
$353×5 = $1765
$381 - 219 = $
162
$315 + 153 = $468
$2×45 = $90
$204×8 = $1632
$227 - 114 = $
113
$205 + 350 = $555
$422×2 = $844
$5×796 = $3980
$308 - 198 = $
110
$394 - 232 = $162
$243×2 = $486
$904×4 = $3616
$303 - 242 = $
61
$349 - 187 = $162
$112×3 = $336
$5×632 = $3160
答案
140+477=617 402+240=642 44×2=88 9×434=3906
216 - 159=57 394 + 121=515 2×32=64 353×5=1765
381 - 219=162 315 + 153=468 2×45=90 204×8=1632
227 - 114=113 205+350=555 422×2=844 5×796=3980
308 - 198=110 394 - 232=162 243×2=486 904×4=3616
303 - 242=61 349 - 187=162 112×3=336 5×632=3160
216 - 159=57 394 + 121=515 2×32=64 353×5=1765
381 - 219=162 315 + 153=468 2×45=90 204×8=1632
227 - 114=113 205+350=555 422×2=844 5×796=3980
308 - 198=110 394 - 232=162 243×2=486 904×4=3616
303 - 242=61 349 - 187=162 112×3=336 5×632=3160
2. 列竖式计算。
$228 + 523 = $ $165 + 335 = $ $415 - 146 = $ $843 - 131 = $
$34×2 = $ $92×4 = $ $362×5 = $ $256×3 = $
$245×5 = $ $801×2 = $ $130×6 = $ $602×2 = $
$228 + 523 = $ $165 + 335 = $ $415 - 146 = $ $843 - 131 = $
$34×2 = $ $92×4 = $ $362×5 = $ $256×3 = $
$245×5 = $ $801×2 = $ $130×6 = $ $602×2 = $
答案
·228+523=751 ·165+335=500 ·415 - 146=269 ·843 - 131=712
·34×2=68 92×4=368 362×5=1810 256×3=768
·245×5=1225 ·801×2=1602 ·130×6=780 602×2=1204
|被减数|630|601|820|405|208|710|
|减数|250|
|差|
|减数|250|
83
|254|268
|59|176
||差|
380
|518|566
|137|149
|534|答案
被减数 630 601 820 405 208 710
减数 250 83 254 268 59 176
差 380 518 566 137 149 534
减数 250 83 254 268 59 176
差 380 518 566 137 149 534
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