二年级上册数学口算题大全
17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12
14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5
10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44
0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2
1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64
4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38
二年级上册数学两位数的加减法口算题
(1)33 - 20 =
(2)48 + 52 =
(3)76 + 91 =
(4)32 + 86 =
(5)67 - 21 =
(6)89 - 80 =
(7)68 - 40 =
(8)52 + 29 =
(9)95 - 86 =
⑴30×3=
⑵25+70=
⑶42÷7=
⑷54÷9=
⑸80×3=
⑹0×5=
⑺130×3=
⑻400×4=
⑼96-26=
⑽19+21=
⑾48-39=
⑿0+120=
⒀290-90=
⒁700×6=
⒂230×3=
⒃200×9=
⒄54-30=
⒅900+100=
⒆89-29=
⒇400×5=
(21)101×2=
(22)303×3=
(23)404×2=
(24)110×3=
(25)105×4=
(26)100×5=
(27)50×6=
(28)600×5=
(29)3×20=
(30)24+75=
(31)45+1000=
(32)35÷7=
(33)67÷8=
(34)72÷9=
(35)63÷7=
(36)32÷8=
(37)12×4=
(38)12+4=
(39)20×5=
(40)7×40=
(41)30×5=
(42)200×6=
(43)5×300=
(44)0×50=
(45)1000×8=
(46)4×2000=
(47)200+5=
(48)600-500=
(49)30×0=
(50)7×8+20=
