32.9×10.1脱式计算为:
=32.9×10.1
=32.9×(10+0.1)
=32.9×10+32.9×0.1
=329+3.29
=332.9
32.9×10.1
=32.9×(10+0.1)
=32.9×10+32.9×0.1
=329+3.29
=332.29
32.9x10.1
=32.9x(10+0.1)
=32.9x10+32.9x0.1
=329+3.29
=332.29
运用了乘法分配律,做起来比较简便。
32.9×10.1
=32.9×(10+0.1)
=32.9×10+32.9×0.1
=329+3.29
=332.29
32.9*10.1
=32.9*(10+0.1)
=32.9*10+32.9*0.1
=329+3.29
=332.29
运用拆分,乘法分配律,简便运算。