如题所述
第1个回答 2023-01-01
814-714÷21×77的脱式计算过程如下:
814-714÷21X77
=814-34X77
=814-2618
=-1804本回答被网友采纳
814-714÷21X77
=814-34X77
=814-2618
=-1804本回答被网友采纳
第2个回答 2023-01-01
原式=814-714x11x7÷7÷3
=814-238x11
=(3-11)x238
=-238Ⅹ8
=-1904
=814-238x11
=(3-11)x238
=-238Ⅹ8
=-1904
第3个回答 2023-01-01
原式=714+100-714×77÷21
=714×(1-77/21)+100
=714×(1-11/3)+100
=714×(-8/3)+100
=-238×8+100
=-1804
=714×(1-77/21)+100
=714×(1-11/3)+100
=714×(-8/3)+100
=-238×8+100
=-1804