小升初毕业复习 分数、小数四则混合运算
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小升初毕业复习 分数、小数四则混合运算
挑战一:
(8512 +347 )-( 47 - 712 ) 13.76-(712 +1.76+1512 )
(113 ×118 )×(13×18) 19.98×37-199.8×1.9+1998×0.82
35.2÷9+35.2÷98 0.25×1.25×320
6×14 +13÷4-18×0.25 0.32×6.7+3.2×0.43-0.32
7.6×12 ÷【1.9-1.9×(1.9-1.9)】 2.5×12.5×32-37-563
116 ×117 ×118 ×119 ×1110 934 -15÷19-219 ×2
3.26×【1÷(110 -9100 )】 (23 +15 )+(23 -1217 )-(15 +517 ) 挑战二:
(2.5+2.5+2.5+2.5) ×25×8 (49 +513 +59 +813 )×(1-91100 )
(6.9×0.125×1.75) ÷(2.3×18 ×14 ) 【(14 -14 ÷2) ×813 +1÷612 】÷0.01
0.61×0.25+0.18×14 +0.21×25% (3+34 ÷34 +3) -(7×16 ÷7×16 )
【5-(0.5×912 +12 ×12 )】÷821 (121325 +817 ) ×2.5+(9917 +101225 )× 212
123 ×【756 +(4.125-18 )-456 】 5-【113 -(2.5-123 )】÷0.125
1000÷32÷0.25÷1.25