
计算下面各题,能简便的要用简便方法计算.245-525÷25  ...
计算下面各题,能简便的要用简便方法计算.245-525÷2537×25×4480÷60×122138+44+6222×(23+27)125×16...
计算下面各题,能简便的要用简便方法计算.245-525÷25 37×25×4 480÷60×122138+44+62 22×(23+27)125×16
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(1)245-525÷25
=245-21
=224;
(2)37×25×4
=37×(25×4)
=37×100
=3700;
(3)480÷60×122
=8×122
=976;
(4)138+44+62
=138+62+44
=200+44
=244;
(5)22×(23+27)
=22×50
=1100;
(6)125×16
=125×(8×2)
=125×8×2
=1000×2
=2000.
=245-21
=224;
(2)37×25×4
=37×(25×4)
=37×100
=3700;
(3)480÷60×122
=8×122
=976;
(4)138+44+62
=138+62+44
=200+44
=244;
(5)22×(23+27)
=22×50
=1100;
(6)125×16
=125×(8×2)
=125×8×2
=1000×2
=2000.
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