能简算的要简算2.9÷8+1.1×18135×8×813×1.25(14+57)×28(34÷3-110)×13.-数学
题文
能简算的要简算 2.9÷8+1.1×
(
(
|
答案
(1)2.9÷8+1.1×
=(2.9+1.1)×
=4×
=
(2)
=(
=1.6×10, =16; (3)(
=
=7+20, =27; (4)(
=(
=
|
题文
能简算的要简算 2.9÷8+1.1×
(
(
|
答案
(1)2.9÷8+1.1×
=(2.9+1.1)×
=4×
=
(2)
=(
=1.6×10, =16; (3)(
=
=7+20, =27; (4)(
=(
=
|