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The complete set of mathematical oral calculation problems in the first volume of the second grade
The second grade mathematics oral calculation examination questions volume 1 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

1.0 1? 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

0.5 1? 17=0.03, 32.8+ 19=5 1.8, 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

Two-digit addition and subtraction oral arithmetic problems in the first volume of second grade mathematics

( 1)33 - 20 =

(2)48 + 52 =

(3)76 + 9 1 =

(4)32 + 86 =

(5)67 - 2 1 =

(6)89 - 80 =

(7)68 - 40 =

(8)52 + 29 =

(9)95 - 86 =

⑴30? 3=

⑵25+70=

⑶42? 7=

⑷54? 9=

⑸80? 3=

⑹0? 5=

⑺ 130? 3=

⑻400? 4=

⑼96-26=

⑽ 19+2 1=

⑾48-39=

⑿0+ 120=

⒀290-90=

⒁700? 6=

⒂230? 3=

⒃200? 9=

⒄54-30=

⒅900+ 100=

⒆89-29=

⒇400? 5=

(2 1) 10 1? 2=

(22)303? 3=

(23)404? 2=

(24) 1 10? 3=

(25) 105? 4=

(26) 100? 5=

(27)50? 6=

(28)600? 5=

(29)3? 20=

(30)24+75=

(3 1)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=

(4 1)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=