问题
计算题
脱式计算,能简算的要简算。
|
答案
(1)原式=15.3+4.7+(0.86+0.14)
=20+1
=21
=36500-365
=36135
=8000
(4)原式=0.25×4×11
=11
=1.96
=27.3
(7)原式=13.5+15-10+0.25
=13.5+5+0.25
=18.75
=20000-1000
=19000
=176-20+1+66
=223
脱式计算,能简算的要简算。
|
(1)原式=15.3+4.7+(0.86+0.14)
=20+1
=21
=36500-365
=36135
=8000
(4)原式=0.25×4×11
=11
=1.96
=27.3
(7)原式=13.5+15-10+0.25
=13.5+5+0.25
=18.75
=20000-1000
=19000
=176-20+1+66
=223