一、口算。
4×2= 4×4= 3×4−8=
67−50= 2×5= 1×6+11=
34+30= 4×3= 6×6+7=
0÷6= 3×5= 2×3+7=
6×5= 20+55= 3×6−8=
0×5= 4×6= 3×3+24=
23−9= 66−7= 2×6+10=
4×5= 3×6= 6×6−5=
32+60= 2×6= 4×5+12=
42+8= 32−6= 2×2+30=
4×2= 4×4= 3×4−8=
67−50= 2×5= 1×6+11=
34+30= 4×3= 6×6+7=
0÷6= 3×5= 2×3+7=
6×5= 20+55= 3×6−8=
0×5= 4×6= 3×3+24=
23−9= 66−7= 2×6+10=
4×5= 3×6= 6×6−5=
32+60= 2×6= 4×5+12=
42+8= 32−6= 2×2+30=
答案
1.8 2.16 3.4
4.17 5.10 6.17
7.64 8.12 9.43
10.0 11.15 12.13
13.30 14.75 15.10
16.0 17.24 18.33
19.14 20.59 21.22
22.20 23.18 24.31
25.92 26.12 27.32
28.50 29.26 30.34
4.17 5.10 6.17
7.64 8.12 9.43
10.0 11.15 12.13
13.30 14.75 15.10
16.0 17.24 18.33
19.14 20.59 21.22
22.20 23.18 24.31
25.92 26.12 27.32
28.50 29.26 30.34
二、()里最大能填几?
(
(
(
6×(
3×(
(
5
)×2<12 (4
)×4<18 2×(4
)<10(
6
)×4<25 6×(6
)<40 3×(5
)<18(
6
)×3<20 5×(1
)<6 (3
)×4<146×(
2
)<16 (3
)×6<24 (4
)×5<223×(
4
)<15 (5
)×5<30 (5
)×6<33答案
1.5 2.4 3.4
4.6 5.6 6.5
7.6 8.1 9.3
10.2 11.3 12.4
13.4 14.5 15.5
4.6 5.6 6.5
7.6 8.1 9.3
10.2 11.3 12.4
13.4 14.5 15.5
登录