算数ドリル 足し算(1~3桁)
答え

問. 次の計算をしなさい。

(1) 263 + 8 =
(答え)271
(2) 274 + 284 =
(答え)558
(3) 931 + 550 =
(答え)1481
(4) 274 + 284 =
(答え)558
(5) 858 + 959 =
(答え)1817
(6) 41 + 242 =
(答え)283
(7) 605 + 127 =
(答え)732
(8) 925 + 7 =
(答え)932
(9) 925 + 7 =
(答え)932
(10) 192 + 448 =
(答え)640
(11) 513 + 341 =
(答え)854
(12) 274 + 284 =
(答え)558
(13) 274 + 284 =
(答え)558
(14) 192 + 448 =
(答え)640
(15) 931 + 550 =
(答え)1481
(16) 858 + 959 =
(答え)1817
(17) 722 + 157 =
(答え)879
(18) 605 + 127 =
(答え)732
(19) 208 + 161 =
(答え)369
(20) 334 + 418 =
(答え)752