来自刘兴文的问题
求五年级口算题,要有简便运算,越多越好!还有应用题,
求五年级口算题,要有简便运算,越多越好!还有应用题,
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2020-07-27 10:16
求五年级口算题,要有简便运算,越多越好!还有应用题,
求五年级口算题,要有简便运算,越多越好!还有应用题,
口算2.5×2=0.5×10=0.6×8=2.1×2=2.8×10=0.7×0.8=0.04×20=5.6+0.4=4.7+2.3=4.5×2=6.9-2.5=7.2×0.8=6×3.4=0.62-0.32=1.4×0.5=0.75×100=0.02×0.5=3.6×0.3=6.3÷7=5.6×100=0.75÷0.25=...