试题 试卷
题型:口算与估算 题类: 难易度:容易
【5星学霸】数学四年级上 期中提优练习
30×60=
40×250=
20×130=
120×70=
11×40=
300×50=
58×297≈
796×82≈
301×29≈
180×5{#blank#}1{#/blank#}160×6 47×100{#blank#}2{#/blank#}470×10
{#blank#}1{#/blank#}×{#blank#}2{#/blank#}=800 {#blank#}3{#/blank#}×{#blank#}4{#/blank#}=1260
400÷50= 40×80 = 620÷20 = 18×5+4 =
19×30 = 4800÷400 = 6400÷80 = 3×25×4 =
560÷70 = 28×400 = 405×20 = 125×5×8 =
250×80=
333×0=
50×120=
401×30=
42×201≈
298×51≈
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