简便运算题(10个简便运算及答案)
发布时间:2022-09-20 19:36
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小同学,你提的这个问题属于语言上的不严谨,十个简便运算是什么意思呀?是加减,还是乘除;是整数、小数、还是分数呢?以下供你参考
(1)526+178-326 (2)567+396
=526-326+178 =567+400-4
=200+178 =967-4
=378 =963
(3)756+305 (4)967-405
=756+300+5 =967-400-5
=1056+5 =567-5
=1061 =562
(5)25x125x32 (6)784÷25÷4
=(25x4)x(125x8) =784÷(25X4)
=100X1000 =784÷100
=100000 =7.84
(7)35x199 (8)146x101-146
=35X(200-1) =146x(101-1)
=35X200-35X1 =146x100
=7000-35 =14600
=6965
(9)235x72+235x28 (10)4.6x156-4.6x56
=235x(72+28) =4.6x(156-56)
=235x100 =4.6X100
=23500 =460
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