22
9
15
16
3/5 + 18/9 + 4/10= [3/5 + 4/10] + 18/9= [6/10 + 4/10] + 18/9= 10/10 + 18/9= 1 + 18/9
= 3
10
4
14
5
b, 976 * 101 - 976= 976 x [ 101 - 1]= 976 x 100= 97600c. 32/16 * 12/18 + 32/16 * 24/18= 32/16 x [12/18 + 24/18]= 32/16 x 2= 2 x 2= 4
-5sao nhes-
14
9
7
5
9
4
c. 32/16 × 12/18 + 32/16 × 24/18= 32/16 x [12/18 + 24/18]= 32/16 x 2= 2 x 2
= 4
6
6
a, 3/5 + 18/9 + 4/10= [3/5 + 2/5] + 2= 5/5 + 2= 1 + 2
= 3
4
4
b, 976 * 101 - 976= 976 * [101 - 1]= 976 * 100
= 97600
4
7
c, 32/16 * 12/18 + 32/16 * 24/18= 2 * [12/18 + 24/18]= 2 * 2
= 4
3
6
a, 3/5 + 18/9 + 4/10= [3/5 + 2/5] + 2= 5/5 + 2= 1 + 2= 3b, 976 * 101 - 976= 976 * [101 - 1]= 976 * 100= 9760032/16 * 12/18 + 32/16 * 24/18= 2 * [12/18 + 24/18]= 2 * 2
= 4
6
1
3/5+18/9+4/10=[3/5+4/10]+2=[3/5+ 2/5]+2=5/5 +2=1 +2
= 3
3
3
32/16x12/18+32/16 x 24/18=2x[ 12/18 + 24/18]=2x 36/18=2x 2
=4
3
1
32/16x12/18+32/16 x 24/18=2x[ 12/18 + 24/18]=2x 36/18=2x 2
=4
5
0
3/5 + 18/9 + 4/10 =3/5+2+1/2=3+10+2/5
=15/5=3
2
2
32/16x12/18+32/16 x 24/18=2x[ 12/18 + 24/18]=2x 36/18=2x 2
=4
5
1
976 * 101 - 976= 976 * [101 - 1]= 976 * 100
= 97600
1
0
a, 3/5 + 18/9 + 4/10= [3/5 + 2/5] + 2= 5/5 + 2= 1 + 2= 3b, 976 * 101 - 976= 976 * [101 - 1]= 976 * 100= 97600c. 32/16 * 12/18 + 32/16 * 24/18= 32/16 x [12/18 + 24/18]= 32/16 x 2= 2 x 2
= 4
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