B50 小学二年级数学上下册 50以内加减法填空口算题练习计算题共32页2400题
100以内连加连减填空
1.( )+24-0=9226.78+( )-3=7551.26+70-( )=96
2.( )-21+45=5027.52-( )+56=9052.84-65+( )=48
3.( )+32+7=8928.79+( )+1=9753.99+0+( )=99
4.( )-18-17=529.18-( )-8=754.45-32-( )=11
5.( )+30-3=8530.51+( )-4=5355.15+46-( )=56
6.( )-58+51=6431.63-( )+33=5456.39-7+( )=55
7.( )+3+0=9932.68+( )+2=9957.43+43+( )=96
8.( )-6-77=1633.66-( )-38=458.33-16-( )=14
9.( )+48-4=8634.52+( )-0=8859.92+2-( )=94
10.( )-75+47=5535.35-( )+52=7960.83-29+( )=99
11.( )+24+21=8236.71+( )+6=9061.69+24+( )=96
12.( )-25-8=537.63-( )-16=1062.67-59-( )=2
13.( )+17-21=4038.28+( )-8=6163.89+0-( )=82
14.( )-42+1=1039.40-( )+58=6164.83-50+( )=51
15.( )+20+31=9440.6+( )+0=9365.69+21+( )=91
16.( )-84-5=241.66-( )-4=2066.54-42-( )=1
17.( )+0-0=8742.28+( )-34=667.2+12-( )=-42
18.( )-1+37=6543.32-( )+32=4868.43-10+( )=96
19.( )+36+6=9144.83+( )+1=8669.46+23+( )=71
20.( )-9-48=1045.85-( )-1=370.48-29-( )=15
21.( )+1-20=3546.71+( )-2=9071.61+34-( )=93
22.( )-0+41=4147.18-( )+37=5272.92-90+( )=94
23.( )+17+15=9148.75+( )+17=9473.78+17+( )=97
24.( )-6-4=649.41-( )-15=274.36-6-( )=17
25.( )+0-20=2750.65+( )-0=8375.42+40-( )=74
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