计算:①108-4830÷69②14×513+34×513③168-7.5-2.5+32④(14-15÷4)÷310⑤711+411×(1112×23)-数学
题文
计算: ①108-4830÷69 ②
③168-7.5-2.5+32 ④(
⑤
|
答案
①108-4830÷69, =108-70, =38; ②
=(
=1×
=
③168-7.5-2.5+32, =(168+32)-(7.5+2.5), =200-10, =190; ④(
=(
=
|
题文
计算: ①108-4830÷69 ②
③168-7.5-2.5+32 ④(
⑤
|
答案
①108-4830÷69, =108-70, =38; ②
=(
=1×
=
③168-7.5-2.5+32, =(168+32)-(7.5+2.5), =200-10, =190; ④(
=(
=
|