简便计算10.1 × 0.78 3.8 ×0.99 20.9×9.9+20.9×0.1 2.96 ×3.5–3.5 ×0.96 2.5 ×1.25 ×0.32 6.5 ×0.99+0.065 (12.5+1.25)× 80 3.8 ×8.9+2.1×3.8–3.8 7.9 ×4.5+79 ×0.55 37.8 ×3.4+378 ×0.56+37.8 132.6 ×78.224÷132.6 0.55555 ×0.9+0.11111×0.5 4.8 ×9.9 3.5 ×1.01 3.5 ×9.8 0.25 ×4×4.78 0.65 ×201 4.8 ×0.25 2.33 ×0.5 ×4 1.5 ×105 1.2 ×2.5+0.8×2.5 102×0.45 0.5 ×1.25 ×2×8×11 3.2 ×2.5 简便计算104×2.5 1.25×( 4-0.8)100.1 ×99+100.1 485×10.2-48.5 2.69 ×99 2.5 ×32×12.5 3.6 ×102 3.72×3.5+6.28×3.5 15.6×13.1-15.6-15.6×2.1 4.8× 7.8+78×0.52 4.8 ×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09 18.76× 9.9+18.76 3.83×4.56+3.83×5.44 4.36 ×12.5 ×8 9.7×99+9.7 27.5×3.7-7.5× 3.7 8.9 ×1.01 7.74×( 2.8-1.3)+ 1.5× 2.26 3.9×2.7+3.9×7.3 1.25 ×2.5 ×32 12.7×9.9+1.27 3.65×4.7-36.5×0.37 简便计算0.25 ×0.73 ×4 7.6×0.8+0.2×7.6 0.85 ×199 0.25 ×8.5 ×4 1.28×8.6+0.72×8.6 12.5 ×0.96 ×0.8 10.4-9.6×0.35 0.8×( 4.3×1.25)3.12+3.12×99 28.6×101-28.6 0.86× 15.7-0.86×14.7 2.4 ×102 34.6 ×0.6+65.4×0.6 3.5 ×102 5×2.5 ×12.5 ×64 0.25 ×8.4 3.7 ×12.5+4.3×12.5 (8×5.27)×1.25 7.69 ×10.1 0.25 ×39+0.25 4.5 ÷1.8 4.2 ÷3.5 930÷0.6 ÷5 63.4 ÷2.5 ÷0.4 简便计算4.9÷1.4 3.9÷( 1.3×5)(7.7+1.54)÷ 0.7 2.5×2.4 2.7÷45 0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.25 70÷28 15÷( 0.15× 0.4)4.25÷2.5×9.9+0.17