试题 试卷
题型:填空题 题类:常考题 难易度:普通
数与代数 8490 10
×10 = - = ÷ = 2- = 1÷4× =
0÷ = ÷ = 1.5÷0.05= 2.5×0.4= + =
⑴3.48+6.52=
⑵3.6÷0.04=
⑶1.6×5=
⑷0.9-0.26=
⑸
⑹×15=
⑺
⑻
⑼25%×16=
⑽3÷15=
⑾70×13=
⑿21÷1000=
⒀2-=
⒁0.48÷=
⒂a-0.2a=
⒃
⒄2π=
⒅72=
⒆63.2÷6.9≈
⒇802-205≈
32
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