①560 + 380 =
②614 - 230 =
③*417 + 183 =
④*512 - 316 =
⑤628 + 493 =
⑥720 - 168 =
▲654+87= 2415+933= 28×4= 308×6=
▲914-538= 3796-1850= 185×9= 220×5=
100-50=
23+58=
210-70=
4+3×9=
6×9=
32÷4=
8÷8=
(30-12)÷2=
16÷8=
330+28=
4×7=
27÷3+15=
563+45=
370×4=
※676+124=验算:
49×8=
403×5=
※701﹣291=验算:
①※876+214=
②※503-267=
③667×8=
④709×5=
①815×4=
②509×8=
③480×9=
④315×7=
⑤410×5=
⑥324×4=