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脱式计算(能简算的要简算)0.75×4×0.25×4=9.6+9.9×99=6.3×10.1=15.58÷8.2-0.72=536÷0.8÷1.4=2.8×3.6+1.4×2.8=
题目详情
脱式计算(能简算的要简算)
0.75×4×0.25×4=
9.6+9.9×99=
6.3×10.1=
15.58÷8.2-0.72=
536÷0.8÷1.4=
2.8×3.6+1.4×2.8=脱式计算(能简算的要简算)
0.75×4×0.25×4=
9.6+9.9×99=
6.3×10.1=
15.58÷8.2-0.72=
536÷0.8÷1.4=
2.8×3.6+1.4×2.8=
0.75×4×0.25×4=
9.6+9.9×99=
6.3×10.1=
15.58÷8.2-0.72=
536÷0.8÷1.4=
2.8×3.6+1.4×2.8=脱式计算(能简算的要简算)
0.75×4×0.25×4=
9.6+9.9×99=
6.3×10.1=
15.58÷8.2-0.72=
536÷0.8÷1.4=
2.8×3.6+1.4×2.8=
▼优质解答
答案和解析
(1)0.75×4×0.25×4
=(0.75×4)×(0.25×4)
=3×1
=3;
(2)9.6+9.9×99
=9.6+9.9×(100-1)
=9.6+(9.9×100-9.9)
=9.6+(990-9.9)
=9.6+980.1
=989.7;
(3)6.3×10.1
=6.3×(10+0.1)
=6.3×10+6.3×0.1
=63+0.63
=63.63;
(4)15.58÷8.2-0.72
=1.9-0.72
=1.18;
(5)536÷0.8÷1.4
=536÷(0.8×1.4)
=536÷1.12
=
;
(6)2.8×3.6+1.4×2.8
=(3.6+1.4)×2.8
=5×2.8
=14.
3350 7 3350 3350 33507 7 7;
(6)2.8×3.6+1.4×2.8
=(3.6+1.4)×2.8
=5×2.8
=14.
=(0.75×4)×(0.25×4)
=3×1
=3;
(2)9.6+9.9×99
=9.6+9.9×(100-1)
=9.6+(9.9×100-9.9)
=9.6+(990-9.9)
=9.6+980.1
=989.7;
(3)6.3×10.1
=6.3×(10+0.1)
=6.3×10+6.3×0.1
=63+0.63
=63.63;
(4)15.58÷8.2-0.72
=1.9-0.72
=1.18;
(5)536÷0.8÷1.4
=536÷(0.8×1.4)
=536÷1.12
=
3350 |
7 |
(6)2.8×3.6+1.4×2.8
=(3.6+1.4)×2.8
=5×2.8
=14.
3350 |
7 |
(6)2.8×3.6+1.4×2.8
=(3.6+1.4)×2.8
=5×2.8
=14.
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