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简便运算1.23/56×572.3/5×153—0.6×533.999×7+111×37
题目详情
简便运算
1.23/56×57
2.3/5×153—0.6×53
3.999×7+111×37
1.23/56×57
2.3/5×153—0.6×53
3.999×7+111×37
▼优质解答
答案和解析
1.23/56×57
=23*57/56
=23*(1+1/56)
=23又23/56
2.3/5×153—0.6×53
=0.6*(153-53)
=0.6*100
=60
3.999×7+111×37
=111*9*7+111*37
=111*(63+37)
=111*100
=11100
=23*57/56
=23*(1+1/56)
=23又23/56
2.3/5×153—0.6×53
=0.6*(153-53)
=0.6*100
=60
3.999×7+111×37
=111*9*7+111*37
=111*(63+37)
=111*100
=11100
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