问题
计算题
选择合适的方法计算。 | ||||||
|
答案
(1)22.5×(7.8+8.2)
=22.5×16
=360
=13.8-(0.416+2.584)
=10.8
=1.25×8×(0.4×0.25)
=1
(4)71.8×0.9+7.18
=71.8×(0.9+0.1)
=71.8
=7.3×(2.4-1.4)
=7.3
选择合适的方法计算。 | ||||||
|
(1)22.5×(7.8+8.2)
=22.5×16
=360
=13.8-(0.416+2.584)
=10.8
=1.25×8×(0.4×0.25)
=1
(4)71.8×0.9+7.18
=71.8×(0.9+0.1)
=71.8
=7.3×(2.4-1.4)
=7.3