脱式计算下面各题,能简算的要简算?
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(1)9750÷25+75
=390+75,
=465;
(2)(2.32+1.8)×6.5
=4.12×6.5,
=26.78;
(3)101×7.8
=100×7.8+7.8,
=780+7.8,
=787.8;
(4)
5
8 ×
8
15 +
3
4 ÷
1
4
=
1
3 +3,
= 3
1
3 ;
(5)
1
3 ÷[
3
4 -(
1
18 +
5
12 )]
=
1
3 ÷[
3
4 -
17
36 ],
=
1
3 ÷
10
36 ,
=
6
5 .,4, 脱式计算下面各题,能简算的要简算
9750÷25+75; (2.32+1.8)×6.5; 101×7.8; 5 8 × 8 15 + 3 4 ÷ 1 4 ; 1 3 ÷[ 3 4 -( 1 18 + 5 12 )] .
=390+75,
=465;
(2)(2.32+1.8)×6.5
=4.12×6.5,
=26.78;
(3)101×7.8
=100×7.8+7.8,
=780+7.8,
=787.8;
(4)
5
8 ×
8
15 +
3
4 ÷
1
4
=
1
3 +3,
= 3
1
3 ;
(5)
1
3 ÷[
3
4 -(
1
18 +
5
12 )]
=
1
3 ÷[
3
4 -
17
36 ],
=
1
3 ÷
10
36 ,
=
6
5 .,4, 脱式计算下面各题,能简算的要简算
9750÷25+75; (2.32+1.8)×6.5; 101×7.8; 5 8 × 8 15 + 3 4 ÷ 1 4 ; 1 3 ÷[ 3 4 -( 1 18 + 5 12 )] .
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