用合适的方法计算.35×12+350÷7054.2-29+4.8-16937÷56+47×650.7÷[(56-14)×24](117+14)×4+1317(45+14)÷73+710.-数学
题文
|
答案
(1)35×12+350÷70, =420+5, =425; (2)54.2-
=(54.2+4.8)-(
=59-2, =57; (3)
=
=(
|
题文
|
答案
(1)35×12+350÷70, =420+5, =425; (2)54.2-
=(54.2+4.8)-(
=59-2, =57; (3)
=
=(
|