①8×(12-25)÷80%②50%÷23×34-37.5%③512÷712-23④(6.7×60%+3.3×60%)÷14⑤10×(85-38÷37.5%).-数学
题文
①8×(
②50%÷
③
④(6.7×60%+3.3×60%)÷
⑤10×(
|
答案
①原式=8×
=1; ②原式=
=
=
③原式=
=
=
④60%(6.7+3.3)×4 =60%×10×4 =24; ⑤原式=10×(
=10×(
|
题文
①8×(
②50%÷
③
④(6.7×60%+3.3×60%)÷
⑤10×(
|
答案
①原式=8×
=1; ②原式=
=
=
③原式=
=
=
④60%(6.7+3.3)×4 =60%×10×4 =24; ⑤原式=10×(
=10×(
|