计算下面各题,能简算的要简算.(125+7)×8 3200÷25×4 3.27+6.4+2.73+4.6 25×44 6.45-0.58-1.
计算下面各题,能简算的要简算.(125+7)×83200÷25×43.27+6.4+2.73+4.625×446.45-0.58-1.4212×(324-285)÷26....
计算下面各题,能简算的要简算.(125+7)×8 3200÷25×4 3.27+6.4+2.73+4.6 25×44 6.45-0.58-1.42 12×(324-285)÷26.
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(1)(125+7)×8,
=125×8+7×8,凯型镇
=1000+56,
=1056;
(2)租余3200÷25×4,
=128×4,
=512;
(3)3.27+6.4+2.73+4.6,盯粗
=(3.27+2.73)+(6.4+4.6),
=6+11,
=17;
(4)25×44,
=25×4×11,
=100×11,
=1100;
(5)6.45-0.58-1.42,
=6.45-(0.58+1.42),
=6.45-2,
=4.45;
(6)12×(324-285)÷26,
=12×39÷26,
=468÷26,
=18.
=125×8+7×8,凯型镇
=1000+56,
=1056;
(2)租余3200÷25×4,
=128×4,
=512;
(3)3.27+6.4+2.73+4.6,盯粗
=(3.27+2.73)+(6.4+4.6),
=6+11,
=17;
(4)25×44,
=25×4×11,
=100×11,
=1100;
(5)6.45-0.58-1.42,
=6.45-(0.58+1.42),
=6.45-2,
=4.45;
(6)12×(324-285)÷26,
=12×39÷26,
=468÷26,
=18.
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