六年级数学计算
一. 列竖式计算。
18 × 22= 125
× 32=
× =
×
=
63 × 35= 268 × 19= =
× =
六年级数学计算
一. 列竖式计算。
18 × 22= 125
× 32=
× =
×
=
63 × 35= 268 × 19= =
× = ×
108÷3=
324 ÷=
391 ÷17= 720÷=
420÷3=
408 ÷=
612 ÷12= ÷=
9 10 11 8
5 7
5 8 1 7 19 13 11 1 + = + = - = - =
9 9 8 8 24 24 8 8 7 3 7 3
+ = + =
1 1
- =
4 9
15 3
- =
11 8
1
6
×10 =
5
12
×8 =
2 5
×
15 8
=
14 13
× =
39 28
×
17
30
=
×
16
39
=
1
5
8
×
12
13
=
29
24
4
×2 =
5
乘法交换律:ab=ba
乘法分配律:a×(b+c)=a×b+a×c
5
17
×( 17+51)
7 3 40×( - )
8 5
1 1 1
( + + )×60 3 4
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