试题 试卷
题型:填空题 题类:常考题 难易度:容易
小数乘、除法的意义及计算6771 9
3.2×0.82+3.2×1.18=
0.46×35+65×0.46
0.45×198
=0.45×(200+2)
=0.45×200+0.45×2
=90+0.9
=90.9
1.25×32×2.5={#blank#}1{#/blank#}
3.2×1.25
=8×1.25×0.4
=1×0.4
=0.4
①5.6×12.5×0.8
②
③15×102+646÷38
④
⑤3.05×80×12.5
⑥
试题篮