问题 解答题
22×40=9+14=120÷6=300+400=56÷7=
46+24=15+15=60×30=78+12=0÷2=
270-30=15×20=1600-900=11×7=50+780=
25+1=27÷3=32×3=72+72=10×110=
200×30=81÷9=60×50=0÷9=36÷9=
20-5=900×200=83-9=25×2=120+300=
2
8
+
5
8
=
83+9=8+68=40÷5=21×4=
37-37=39+6=90÷9=0+17=100-80=
7×4=
2
3
+
1
3
=
12×300=32-22=12×3=
62-13=26÷2=
3
7
+
4
7
=
24÷2=
8
12
-
5
12
=
63+11=28+02=49-12=5200-700=
9
10
-
5
10
=
4
5
-
4
5
=
56÷8+3=5+12=0×4÷2=26-5×4=
答案

22×40=880,9+14=23,120÷6=20,300+400=700,56÷7=8,
46+24=70,15+15=30,60×30=1800,78+12=90,0÷2=0,
270-30=240,15×20=300,1600-900=700,11×7=77,50+780=830,
25+1=26,27÷3=9,32×3=96,72+72=144,10×110=1100,
200×30=6000,81÷9=9,60×50=3000,0÷9=0,36÷9=4,
20-5=15,900×200=180000,83-9=74,25×2=50,120+300=420,
2
8
+
5
8
=
7
8
83+9=92,8+68=76,40÷5=8,21×4=84,
37-37=0,39+6=45,90÷9=10,0+17=17,100-80=20,
7×4=28,
2
3
+
1
3
=1,
12×300=3600,32-22=10,12×3=36,
62-13=49,26÷2=13,
3
7
+
4
7
=1,
24÷2=12,
8
12
-
5
12
=
1
4
63+11=74,28+02=30,49-12=37,5200-700=4500,
9
10
-
5
10
=
2
5
4
5
-
4
5
=0,
56÷8+3=10,5+12=17,0×4÷2=0,26-5×4=6.

单项选择题
单项选择题