五年级上册数学口算题及答案
2025-10-11
如下： 17×40＝680,100－63＝37,3.2＋1.68＝4.88,2.8×0.4＝1.1214－7.4＝6.6,1.92÷0.04＝48,0.32×500＝160,0.65＋4.35＝510－5.4＝4.6,4÷20＝0.2,3.5×200＝700,1.5－0.06＝1.44 0.75÷15＝0.05,0.4×0.8＝0.32,4×0.25＝1,0.36＋1.54＝21...
三年级数学口算题带答案
2025-10-11
123+25=148123-35=88 248+89=337...146-23=123...155×5=775...456-12=38... 456+45=501...546-457=89...45×10=451...564-12=47... 879+54=933...896-546=350...56×12=672....45-5=9... 457+456=913... 7+14=21.....