78+46+22= 200÷25= 56÷4﹣16÷4= 600×50=
180×30= 300﹣300÷30= 504×2= （125+4）×8=
450÷5÷3= 98+354= 13×7+7×7= 152﹣65﹣25=
36×25= 7200÷30= 407﹣98= 6000÷300=
78+46+22= 200÷25= 56÷4﹣16÷4= 600×50=
180×30= 300﹣300÷30= 504×2= （125+4）×8=
450÷5÷3= 98+354= 13×7+7×7= 152﹣65﹣25=
36×25= 7200÷30= 407﹣98= 6000÷300=
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的和是多少？
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×
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×10= 
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×
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×0=
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