脱式计算,能简算的要简算 240÷15÷4 129+318+71 304+278 25×(17×8) 700-300÷25 (614+
脱式计算,能简算的要简算240÷15÷4129+318+71304+27825×(17×8)700-300÷25(614+346)÷4894×(205-188)25×32...
脱式计算,能简算的要简算 240÷15÷4 129+318+71 304+278 25×(17×8) 700-300÷25 (614+346)÷48 94×(205-188) 25×32×125 420÷35.
展开
展开全部
(1)240÷15÷4,
=240÷(15×4),
=240÷60,
=4;
(2)129+318+71,
=(129+71)+318,
=200+318,
=518;
(3)304+278,
=(300+4)+(300-22),
=300+300-(22-4),
=600-18,
=582;
(4)25×(17×8),
=25×8×17,
=(25×4)×(2×17),
=100×34,
=3400;
(5)(614+346)÷48,
=960÷48,
=20;
(6)94×(205-188),
=94×17,
=1598;
(7)25×32×125,
=25×4×8×125,
=(25×4)×(8×125),
=100×1000,
=100000;
(8)420÷35,
=420÷(7×5),
=420÷7÷5,
=60÷5,
=12.
=240÷(15×4),
=240÷60,
=4;
(2)129+318+71,
=(129+71)+318,
=200+318,
=518;
(3)304+278,
=(300+4)+(300-22),
=300+300-(22-4),
=600-18,
=582;
(4)25×(17×8),
=25×8×17,
=(25×4)×(2×17),
=100×34,
=3400;
(5)(614+346)÷48,
=960÷48,
=20;
(6)94×(205-188),
=94×17,
=1598;
(7)25×32×125,
=25×4×8×125,
=(25×4)×(8×125),
=100×1000,
=100000;
(8)420÷35,
=420÷(7×5),
=420÷7÷5,
=60÷5,
=12.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询