五年级上册——小数简便运算
0.47×0.5×0.6=0.47×(
)
0.45
×102=0.45×(_____+_______)=0.45×0.45×______
4.8×0.25=(_____+_____)×0.25=_____×____+_____×_____
2.5×0.7+0.3×2.5=(___)×____ 8.4×(0.5×0.7)=(8.4 ___)×____ 7.5×1.6=1.6 ____ 16×(3.5-0.7)=____×____×____ 0.25×4.78× 15×0.4×25 0.25×(0.4+8) ×0.4×8
0.125 ×32×0.25 0.25×5.6×0.4 8.8×1.25
0.65 ×202 4.28×99 4.5×103
0.48 ×101 7.2×10.2 27×3.7+3.7×73
5.74 ×99+5.74 18.8×101-18.8
3.5 ×1.4-2.4×3.5 26.4×3.6-3.6×16.4
0.279 ×343×0.657×279 11.9×4.37×43.7×8.81
888×1.6+222×3.6 3.5×8.8-0.88×30
7.2×25×8.2 0.32×197 2.4×0.19×0.24×8.1 75×1.2+6.4×25 4.9×5.6+5.1×5.6 0.28×4.58+2.8×0.558 2.55×1.5+1.5+6.45×1.5
0.9999×1.3-0.1111×2.7 399.6×9-1998×0.8 239×7.2+956×8.2
4.5×12.6-3.6×4.5+4.5 4.2×0.28+2.1×4.44 101×26.9-1.25×13.45×1.6
2005×20062006-2006×20052005 65432.1×123456-65432.2×123455
0.0495×2500+495×0.24+51×4.95 1250×0.037+0.125×160+12.5×2.7
31.4÷2.5÷4 0.99÷45 0.45×72+45×0.18+4.5 400.6×7-2003×2.7
12.6÷(1.26×0.8) 9.73÷12.5÷0.8 13÷12.5 (13+0.26)÷13
39.5÷25÷0.4 12.8÷(12.8×4) 12.5÷(12.5×4) 13.8÷0.25÷4
(1+0.37+0.85)×(0.37+0.85+1.95)-(1+0.37+0.85+1.95)×(0.37+0.85)